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Servo Motor Alpha Series Maintenance manual Page 152

Maintenance manual
3. TROUBLESHOOTING
AND ACTION TROUBLESHOOTING B-65165E/02
- 124 -
3.1.2.15 Alarm code A0
(1) Meaning
(a) No ROM is installed.
(b) The ROM is faulty.
(2) Cause and troubleshooting
(a) The ROM is not installed correctly, or no ROM is installed.
Check if the ROM is removed from the socket or if a bent
lead has caused a bad contact.
→ Install the ROM correctly.
(b) ROM specification error
Check the software version stamped on the ROM.
→ Install a specified ROM correctly.
(c) Control printed circuit board failure
→ Replace the control printed circuit board.
3.1.2.16 Alarm code A1
(1) Meaning
The RAM is faulty.
(2) Cause and troubleshooting
(a) The control printed circuit board is faulty.
→ Replace the control printed circuit board.
3.1.2.17 Alarm code A2
(1) Meaning
A program is not operating normally.
(2) Cause and troubleshooting
(a) The control printed circuit board is faulty.
→ Replace the control printed circuit board.
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Contents Summary of Servo Motor Alpha Series Maintenance manual

  • Page 1GE Fanuc Automation Europe Computer Numerical Controls Servo Motor α Series Maintenance Manual B-65165EN/02 TECHNOLOGY AND MORE
  • Page 2
  • Page 3B-65165E/02 SAFETY PRECAUTIONS SAFETY PRECAUTIONS This "Safety Precautions" section describes the precautions which must be observed to ensure safety when using FANUC servo motors (including spindle motors) and servo amplifiers (including spindle amplifiers). Users of any servo motor or amplifier mo
  • Page 41. DEFINITION OF WARNING, CAUTION, AND NOTE SAFETY PRECAUTIONS B-65165E/02 1 DEFINITION OF WARNING, CAUTION, AND NOTE This manual includes safety precautions for protecting the user and preventing damage to the machine. Precautions are classified into Warning and Caution according to their bearing o
  • Page 5B-65165E/02 SAFETY PRECAUTIONS 2.FANUC SERVO MOTOR series 2 FANUC SERVO MOTOR series s-3
  • Page 62.FANUC SERVO MOTOR series SAFETY PRECAUTIONS B-65165E/02 2.1 WARNING - Be safely dressed when handling a motor. Wear safety shoes or gloves when handling a motor as you may get hurt on any edge or protrusion on it or electric shocks. - Use a crane or lift to move a motor from one place to another.
  • Page 7B-65165E/02 SAFETY PRECAUTIONS 2.FANUC SERVO MOTOR series - Connect power wires securely so that they will not get loose. A failure to observe this caution may cause a wire to be disconnected, resulting in a ground fault, short circuit, or electric shock. - Do not supply the power to the motor while
  • Page 82.FANUC SERVO MOTOR series SAFETY PRECAUTIONS B-65165E/02 - Be careful not get your hair or cloths caught in a fan. Be careful especially for a fan used to generate an inward air flow. Be careful also for a fan even when the motor is stopped, because it continues to rotate while the amplifier is tur
  • Page 9B-65165E/02 SAFETY PRECAUTIONS 2.FANUC SERVO MOTOR series 2.2 CAUTION - FANUC motors are designed for use with machines. Do not use them for any other purpose. If a FANUC motor is used for an unintended purpose, it may cause an unexpected symptom or trouble. If you want to use a motor for an uninten
  • Page 102.FANUC SERVO MOTOR series SAFETY PRECAUTIONS B-65165E/02 2.3 NOTE - Do not step or sit on a motor. If you step or sit on a motor, it may get deformed or broken. Do not put a motor on another unless they are in packages. - When storing a motor, put it in a dry (non-condensing) place at room temperat
  • Page 11B-65165E/02 SAFETY PRECAUTIONS 2.FANUC SERVO MOTOR series - Use a motor under an appropriate environmental condition. Using a motor in an adverse environment may cause a failure or trouble in it. Refer to their respective specification manuals for details of the operating and environmental condition
  • Page 122.FANUC SERVO MOTOR series SAFETY PRECAUTIONS B-65165E/02 MOTOR INSULATION RESISTANCE MEASUREMENT Measure an insulation resistance between each winding and motor frame using an insulation resistance meter (500 VDC). Judge the measurements according to the following table. Insulation Judgment resista
  • Page 133. FANUC SERVO AMPLIFIER B-65165E/02 SAFETY PRECAUTIONS series 3 FANUC SERVO AMPLIFIER series s - 11
  • Page 143. FANUC SERVO AMPLIFIER series SAFETY PRECAUTIONS B-65165E/02 3.1 WARNINGS AND CAUTIONS RELATING TO MOUNTING 3.1.1 WARNING - Check the specification code of the amplifier. Check that the delivered amplifier is as originally ordered. - Mount a ground fault interrupter. To guard against fire and elec
  • Page 153. FANUC SERVO AMPLIFIER B-65165E/02 SAFETY PRECAUTIONS series - Ensure that the cables used for the power supply lines and power lines are of the appropriate diameter and temperature ratings. - Do not apply an excessively large force to plastic parts. If a plastic section breaks, it may cause inter
  • Page 163. FANUC SERVO AMPLIFIER series SAFETY PRECAUTIONS B-65165E/02 3.1.2 CAUTION - Do not step or sit on the amplifier. Also, do not stack unpacked amplifiers on top of each other. - Use the amplifier in an appropriate environment. See the allowable ambient temperatures and other requirements, given in
  • Page 173. FANUC SERVO AMPLIFIER B-65165E/02 SAFETY PRECAUTIONS series - Apply appropriate countermeasures against noise. Adequate countermeasures against noise are required to maintain normal operation of the amplifier. For example, signal lines must be routed away from power supply lines and power lines.
  • Page 183. FANUC SERVO AMPLIFIER series SAFETY PRECAUTIONS B-65165E/02 3.1.3 NOTE - Keep the nameplate clearly visible. - Keep the legend on the nameplate clearly visible. - After unpacking the amplifier, carefully check for any damage. - Mount the amplifier in a location where it can be easily accessed per
  • Page 193. FANUC SERVO AMPLIFIER B-65165E/02 SAFETY PRECAUTIONS series 3.2 WARNINGS AND CAUTIONS RELATING TO A PILOT RUN 3.2.1 WARNING - Before turning on the power, check that the cables connected to the power magnetics cabinet and amplifier, as well as the power lines and power supply lines, are securely
  • Page 203. FANUC SERVO AMPLIFIER series SAFETY PRECAUTIONS B-65165E/02 3.2.2 CAUTION - Note whether an alarm status relative to the amplifier is displayed at power-up or during operation. If an alarm is displayed, take appropriate action as explained in the maintenance manual. If the work to be done require
  • Page 213. FANUC SERVO AMPLIFIER B-65165E/02 SAFETY PRECAUTIONS series 3.3 WARNINGS AND CAUTIONS RELATING TO MAINTENANCE 3.3.1 WARNING - Read the maintenance manual carefully and ensure that you are totally familiar with its contents. The maintenance manual describes daily maintenance and the procedures to
  • Page 223. FANUC SERVO AMPLIFIER series SAFETY PRECAUTIONS B-65165E/02 - Notes on replacing the battery of the absolute pulse coder Replace the battery only while the power is on. If the battery is replaced while the power is turned off, the stored absolute positioning data will be lost. Some series servo a
  • Page 233. FANUC SERVO AMPLIFIER B-65165E/02 SAFETY PRECAUTIONS series 3.3.2 CAUTION - Ensure that all required components are mounted. When replacing a component or PC board, check that all components, including the snubber capacitor, are correctly mounted. If the snubber capacitor is not mounted, for exam
  • Page 243. FANUC SERVO AMPLIFIER series SAFETY PRECAUTIONS B-65165E/02 3.3.3 NOTE - Ensure that the battery connector is correctly inserted. If the power is shut off while the battery connector is not connected correctly, the absolute position data for the machine will be lost. - Store the manuals in a safe
  • Page 25B-65165E/02 PREFACE PREFACE Organization of Parts I and II This manual describes information necessary to maintain FANUC servo amplifier α series products, such as a power supply module, servo amplifier module, and spindle amplifier module. Part I explains the start-up procedure, and part II focuses
  • Page 26B-65165E/02 Table of Contents Table of Contents SAFETY PRECAUTIONS.................................................................. s - 1 PREFACE ......................................................................................... p - 1 I. START-UP PROCEDURE 1 OVERVIEW.........................
  • Page 27Table of Contents B-65165E/02 "  3  #" "   
  • Page 28B-65165E/02 Table of Contents 5 PERIODIC MAINTENANCE OF SERVO AMPLIFIER ................................................84 5.1 BATTERY FOR THE ABSOLUTE PULSE CODER....................................................................... 85 - 0 !$ *$  $1!) &$!!  !)   !)
  • Page 29Table of Contents B-65165E/02 #" $  2 # #- $   
  • Page 30B-65165E/02 Table of Contents #"- $  - - #"/ $  /
  • Page 31Table of Contents B-65165E/02 " - 8!)   !) !!) ( !     2 "# - 8!)   !)!) ( !    2 "" # 8    
  • Page 32I. START-UP PROCEDUR
  • Page 33B-65165E/02 START-UP PROCEDURE 1. OVERVIEW 1 OVERVIEW This part describes the units and components of the FANUC servo amplifier α series. It also explains the following information necessary to start up the control motor amplifier: • Connecting the power • Setting the printed-circuit board • Initial
  • Page 342. CONFIGURATIONS START-UP PROCEDURE B-65165E/02 2 CONFIGURATIONS -4-
  • Page 35B-65165E/02 START-UP PROCEDURE 2. CONFIGURATIONS 2.1 CONFIGURATIONS The FANUC servo amplifier α series consists of the units and components listed below: (1) Power supply module (PSM) (basic) (2) Servo amplifier module (SVM) (basic) (3) Spindle amplifier module (SPM) (basic) (4) AC reactor (basic) (
  • Page 362. CONFIGURATIONS START-UP PROCEDURE B-65165E/02 NOTE 1 Refer to the Servo Amplifier α series Descriptions (B-65162E) for combinations of the power supply module, servo amplifier module, and spindle amplifier module. 2 Always use the circuit breakers, magnetic contactor, and AC reactor. 3 Install a
  • Page 37B-65165E/02 START-UP PROCEDURE 2. CONFIGURATIONS 2.2 MAJOR COMPONENTS 2.2.1 Power Supply Modules 2.2.1.1 α series power supply modules (1) Power supply modules (PSM) (200 VAC input, power regeneration type), CE-marked products Printed circuit Connector Unit Wiring board Driver board Model Order spec
  • Page 382. CONFIGURATIONS START-UP PROCEDURE B-65165E/02 (2) Power supply modules (PSMR) (200 VAC input, resistance discharge type), CE-marked products Wiring board Printed circuit board Model Order specification Unit specification specification specification A06B-6081-H103 A16B-2202-0542 PSMR-3 A06B-6081-C
  • Page 39B-65165E/02 START-UP PROCEDURE 2. CONFIGURATIONS 2.2.1.2 α (HV) series power supply modules (1) Power supply modules (PSM-HV) (400 VAC input, power regeneration type) Printed circuit Wiring board Driver board Model Order specification Unit specification board specification specification specificatio
  • Page 402. CONFIGURATIONS START-UP PROCEDURE B-65165E/02 2.2.2 Servo Amplifier Modules 2.2.2.1 200-V input series (1) Single-axis servo amplifier modules (interface: Type A/B) Printed circuit Order Wiring board Model board Remarks specification specification specification SVM1-2 A06B-6079-H121 A16B-2202-074
  • Page 41B-65165E/02 START-UP PROCEDURE 2. CONFIGURATIONS (3) Three-axis servo amplifier modules (interface: Type A) Printed circuit Order Wiring board Model board Remarks specification specification specification SVM3-12/12/12 A06B-6079-H301 A16B-2202-0780 SVM3-12/12/20 A06B-6079-H302 A16B-2202-0781 SVM3-12
  • Page 422. CONFIGURATIONS START-UP PROCEDURE B-65165E/02 (6) Two-axis servo amplifier modules (interface: FSSB) Printed circuit Order Wiring board Model board Remarks specification specification specification SVM2-3/3 A06B-6096-H291 A16B-2202-0753 When using HRV3, use the following SVM2-12/12 A06B-6096-H201
  • Page 43B-65165E/02 START-UP PROCEDURE 2. CONFIGURATIONS 2.2.2.2 400-V input series (1) Single-axis servo amplifier modules (interface: Type A/B) Printed circuit Order Wiring board Model board Remarks specification specification specification SVM1-20HV A06B-6085-H102 A16B-2202-0800 SVM1-40HV A06B-6085-H103
  • Page 442. CONFIGURATIONS START-UP PROCEDURE B-65165E/02 2.2.3 Spindle Amplifier Modules 2.2.3.1 α series spindle amplifier modules The order specification varies according to the detector (function) used. (1) α series spindle amplifier modules (SPM) type 1 (standard specification) New specification (suppor
  • Page 45B-65165E/02 START-UP PROCEDURE 2. CONFIGURATIONS CE-marked products Printed circuit Wiring board Model Order specification Unit specification board ROM (series) specification(*1) specification(*1) A16B-2203-0330 SPM-2.2 A06B-6078-H202#H500 A06B-6078-H202 A16B-2202-0680 (A16B-2202-0430) SPM-5.5 A06B-
  • Page 462. CONFIGURATIONS START-UP PROCEDURE B-65165E/02 Non-CE-marked products Printed circuit Wiring board Model Order specification Unit specification board ROM (series) specification specification(*1) A16B-2203-0330 SPM-2.2 A06B-6078-H202#H500 A06B-6078-H202 A16B-2202-0470 (A16B-2202-0430) SPM-5.5 A06B-
  • Page 47B-65165E/02 START-UP PROCEDURE 2. CONFIGURATIONS (2) α series spindle amplifier modules (SPM), type 2 (Cs contour control/BZ sensor (separate built-in sensor) specification) CE-marked products Printed circuit Wiring board Model Order specification Unit specification board ROM (series) specification(
  • Page 482. CONFIGURATIONS START-UP PROCEDURE B-65165E/02 Non-CE-marked products (old specification) Printed circuit Wiring board Model Order specification Unit specification board ROM (series) specification specification A20B-1005-0572 SPM-15 A06B-6078-H315#H500 A06B-6078-H315 A20B-2001-0010 A20B-1005-0571
  • Page 49B-65165E/02 START-UP PROCEDURE 2. CONFIGURATIONS (3) α series spindle amplifier modules (SPM), type 3 (spindle switching control/differential speed control specification) CE-marked products Printed circuit Wiring board Model Order specification Unit specification board ROM (series) specification(*1)
  • Page 502. CONFIGURATIONS START-UP PROCEDURE B-65165E/02 (4) α series spindle amplifier modules (SPM), type 4 (α sensor Cs contour control) New specification (supporting spindle HRV control), CE-marked products Printed circuit Wiring board Model Order specification Unit specification board ROM (series) spec
  • Page 51B-65165E/02 START-UP PROCEDURE 2. CONFIGURATIONS CE-marked products Printed circuit Wiring board Model Order specification Unit specification board ROM (series) specification(*1) specification(*1) A16B-2202-0433 Overall revision 16E SPM-2.2 A06B-6078-H102#H500 A06B-6078-H102 A16B-2202-0680 or later
  • Page 522. CONFIGURATIONS START-UP PROCEDURE B-65165E/02 2.2.4 Power-Failure Backup Modules (1) Power-failure backup modules Wiring board Printed circuit board Order specification Remarks specification specification A06B-6077-H001 A16B-2203-0360 A20B-2002-0790 Without the control power supply backup functio
  • Page 53B-65165E/02 START-UP PROCEDURE 3. START-UP PROCEDURE 3 START-UP PROCEDURE - 23 -
  • Page 543. START-UP PROCEDURE START-UP PROCEDURE B-65165E/02 3.1 START-UP PROCEDURE (OVERVIEW) Make sure that the specifications of the CNC, servo motors, servo amplifiers, and other units you received are exactly what you ordered, and these units are connected correctly. Then, turn on the power. (1) Before
  • Page 55B-65165E/02 START-UP PROCEDURE 3. START-UP PROCEDURE 3.2 CONNECTING THE POWER 3.2.1 Checking The Voltage And Capacity Of The Power Before connecting the power, you should measure the AC power voltage. Table 3.2.1(1) Action for the AC power (200-V input type) AC power Nominal Action voltage voltage 1
  • Page 563. START-UP PROCEDURE START-UP PROCEDURE B-65165E/02 Table 3.2.1 (4) AC power voltage specifications (for the main circuit) Model PSMV-11HV PSM-18HV PSM-30HV PSM-45HV PSM-75HV Nominal voltage rating 400/460 VAC -15%, +10% Power source frequency 50/60 Hz ±1 Hz Power source capacity 31 26 44 64 107 [k
  • Page 57B-65165E/02 START-UP PROCEDURE 3. START-UP PROCEDURE 3.3 SETTING THE PRINTED-CIRCUIT BOARD Before supplying power, set the printed-circuit board as listed below. 3.3.1 Power Supply Module Checking the DIP switch setting (1) CE-marked products Model DIP switch Position Description PSM-5.5 to 11 S1 SH
  • Page 583. START-UP PROCEDURE START-UP PROCEDURE B-65165E/02 3.3.2 Servo Amplifier Module (1) Checking the jumper plug setting (for SVM1 and SVM2) Set the servo amplifier module to either interface type A or B with the jumper plugs. FANUC S1 S2 FUSE Move the jumper plugs as required. If you cannot pull out
  • Page 59B-65165E/02 START-UP PROCEDURE 3. START-UP PROCEDURE 3.3.3 Spindle Amplifier Module 3.3.3.1 α series spindle amplifier module (SPM) This type of modules do not have a DIP switch except the modules of which specification drawing numbers are A06B-6072-H***#00xx (D series spindle amplifier modules) and
  • Page 603. START-UP PROCEDURE START-UP PROCEDURE B-65165E/02 3.3.3.2 α (HV) series spindle amplifier module (SPM-HV) This module does not have a DIP switch. 3.3.3.3 αC series spindle amplifier module (SPMC) This module does not have a DIP switch. - 30 -
  • Page 61B-65165E/02 START-UP PROCEDURE 3. START-UP PROCEDURE 3.4 INITIALIZING SERVO PARAMETERS (1) Servo amplifier module For the initialization of servo parameters, refer to the following manual: FANUC AC SERVO MOTOR α series Parameter Manual (B-65150E) (2) Spindle amplifier module For the initialization o
  • Page 624. CONFIRMATION OF THE OPERATION START-UP PROCEDURE B-65165E/02 4 CONFIRMATION OF THE OPERATION - 32 -
  • Page 634. CONFIRMATION OF B-65165E/02 START-UP PROCEDURE THE OPERATION 4.1 POWER SUPPLY MODULE Check each item according to the procedure described below. 1. Supply control power (200 VAC) to the power supply module. 2. Check the STATUS LEDs. See Section 4.1.3. OK Alarm occurs. See Section 3.1 of Part II.
  • Page 644. CONFIRMATION OF THE OPERATION START-UP PROCEDURE B-65165E/02 4.1.1 Check Terminal On The Printed-circuit Board 4.1.1.1 PSM, PSM-HV Location of the check terminal IR IS +24V +5V 0V Table 4.1.1.1 Check terminal Check Description terminal IR Phase L1 (phase R) The current is positive when it is inpu
  • Page 654. CONFIRMATION OF B-65165E/02 START-UP PROCEDURE THE OPERATION 4.1.1.2 PSMV-HV Location of check terminals IDC VDC +24V +5V 0V Table 4.1.1.2 Check terminals Check Description terminal IDC DC link current Model Amount of current PSMV-11HV 50 A/1 V VDC DC link voltage Model Amount of voltage PSMV-11H
  • Page 664. CONFIRMATION OF THE OPERATION START-UP PROCEDURE B-65165E/02 4.1.3 Checking The Status Leds 4.1.3.1 PSM, PSM-HV, and PSMV-HV Position of the STATUS LEDs STATUS PIL ALM STATUS LEDs On Off No. Description The LED that is on is indicated in black. 1 The PIL LED (power ON indicator) is off. PIL Contr
  • Page 674. CONFIRMATION OF B-65165E/02 START-UP PROCEDURE THE OPERATION 4.1.3.2 PSMR Position of the STATUS LEDs STATUS No. STATUS LEDs Description 1 The STATUS display LED is off. Control power has not been supplied. The control power circuit is defective. See Section 4.1.2. 2 PSMR not ready The main circu
  • Page 684. CONFIRMATION OF THE OPERATION START-UP PROCEDURE B-65165E/02 4.1.4 The PIL LED (power ON indicator) Is Off. Table 4.1.4 Check method and action No. Cause of trouble Check method Action 1 AC power for the Check that power is control circuit not connected to connector supplied CX1A. 2 Blown fuse in
  • Page 694. CONFIRMATION OF B-65165E/02 START-UP PROCEDURE THE OPERATION 4.1.5 Checking For What Keeps The Mcc From Being Switched On (1) The system is still in an emergency stop status. → Check the connection to make sure that the emergency stop signal connected to the PSM connector CX4 and the emergency st
  • Page 704. CONFIRMATION OF THE OPERATION START-UP PROCEDURE B-65165E/02 4.2 SERVO AMPLIFIER MODULE Check each item according to the procedure described below. 1. Check the connection, and supply control power (200 VAC) to the power supply module. 2. Check the STATUS LEDs. See Section 4.2.2. Alarm occurs. Se
  • Page 714. CONFIRMATION OF B-65165E/02 START-UP PROCEDURE THE OPERATION 4.2.1 Check Pin Board Use of the check pin board allows you to observe the signals inside the servo amplifier. (1) Specifications Order specification Component Remarks A06B-6071-K290 Printed circuit board: A20B-1005-0340 Printed circuit
  • Page 724. CONFIRMATION OF THE OPERATION START-UP PROCEDURE B-65165E/02 (3) Signal output SVM designed for operation with the FSSB interface Signal name Pin No. Remarks SVM1 SVM2 SVM3 <1> CLR CLR CLR Clear signal of the control circuit(Note) <2> +3.3V +3.3V +3.3V +3.3-V power (Variations in voltage level wi
  • Page 734. CONFIRMATION OF B-65165E/02 START-UP PROCEDURE THE OPERATION SVM designed for operation with the type A/B interface Signal name Pin No. Remarks SVM1 SVM2 SVM3 <1> CLR CLR CLR Clear signal of the control circuit(Note 1) <2> 0V 0V 0V Reference voltage <3> IRL IRL IRL Phase R motor current for the L
  • Page 744. CONFIRMATION OF THE OPERATION START-UP PROCEDURE B-65165E/02 (4) Observing the motor current You can observe an instantaneous motor current value by observing the voltage across a reference voltage (0 V) check pin and a motor current check pin with an oscilloscope. Note that you cannot use a devi
  • Page 754. CONFIRMATION OF B-65165E/02 START-UP PROCEDURE THE OPERATION (4) Checking the power supply voltage You can measure the voltage across a reference voltage (0V) check pin and a power check pin with a multimeter, oscilloscope, or the like to observe the power supply voltage for the control circuit i
  • Page 764. CONFIRMATION OF THE OPERATION START-UP PROCEDURE B-65165E/02 4.2.2 Checking The STATUS Display The STATUS display (a 7-segment LED) on the front of the SVM indicates the operation status. STATUS STATUS display Description • The STATUS display LED is not on. <1> Power is not turned on. <2> Poor ca
  • Page 774. CONFIRMATION OF B-65165E/02 START-UP PROCEDURE THE OPERATION 4.2.3 VRDY-OFF Alarm Indicated on the CNC Screen When the VRDY-OFF alarm is indicated on the CNC, check the items listed below. In addition to these causes, there are other possible causes of VRDY-OFF. If the problem still exists after
  • Page 784. CONFIRMATION OF THE OPERATION START-UP PROCEDURE B-65165E/02 4.2.4 Servo Check Board The servo check board receives the digital value used for control inside the digital servo as numerical data and converts it to an analog form. For details on how to connect and use the servo check board, refer t
  • Page 794. CONFIRMATION OF B-65165E/02 START-UP PROCEDURE THE OPERATION 4.3 SPINDLE AMPLIFIER MODULE Check each item according to the procedure described below. 1. Supply control power (200 VAC) to the PSM, and turn on the power to the CNC. 2. Check the STATUS display. See Subsection 4.3.1. OK Alarm issued.
  • Page 804. CONFIRMATION OF THE OPERATION START-UP PROCEDURE B-65165E/02 4.3.1 STATUS Display STATUS PIL ALM ERR No. ALM ERR STATUS Description 1. No The PIL LED (power ON indicator) is off. indication The control power supply has not been switched on. The power supply circuit is defective. See Section 3.1.2
  • Page 814. CONFIRMATION OF B-65165E/02 START-UP PROCEDURE THE OPERATION 4.3.2 Troubleshooting at Startup 4.3.2.1 The PIL LED (power-on indicator) is off. (1) When the PIL LED on the spindle amplifier module does not come on after the main circuit breaker is turned on No. Cause of trouble Check method Action
  • Page 824. CONFIRMATION OF THE OPERATION START-UP PROCEDURE B-65165E/02 4.3.2.3 The motor does not turn. (1) When "--" is indicated on the STATUS display of the SPM Check whether spindle control signals are input. (An example for the first spindle is given below.) FS0 FS15 FS16 #7 #6 #5 #4 #3 #2 #1 #0 G229
  • Page 834. CONFIRMATION OF B-65165E/02 START-UP PROCEDURE THE OPERATION 4.3.2.5 When cutting is not performed, the spindle vibrates, making noise. (1) The spindle vibrates only when the spindle speed has reached or is at a particular speed level. Check whether the spindle also vibrates when the motor is tur
  • Page 844. CONFIRMATION OF THE OPERATION START-UP PROCEDURE B-65165E/02 4.3.2.7 Cutting power weakens or acceleration/deceleration slows down. (1) When the load meter does not indicate the maximum output A. A mechanical element such as a belt slip may occur. (2) When the load meter indicates the maximum out
  • Page 854. CONFIRMATION OF B-65165E/02 START-UP PROCEDURE THE OPERATION 4.3.3 Status Error Indication Function When there is a sequence or parameter error, the error LED (yellow) in the display section of the spindle amplifier module (SPM) goes on with an error code displayed. This can ease troubleshooting
  • Page 864. CONFIRMATION OF THE OPERATION START-UP PROCEDURE B-65165E/02 No. Description Action 06 Although no output switching option is Check the software option for set, low-speed winding is selected spindle output switching and the (RCH = 1). power line status signal (RCH). 07 Although Cs contour control
  • Page 874. CONFIRMATION OF B-65165E/02 START-UP PROCEDURE THE OPERATION (Continued) No. Description Action 18 Although the parameter not to use the Check the parameter setting position coder signal (FS16i: bit 2 of (FS16i: bit 2 of parameter No. parameter No. 4001 = 0) is set, a 4001) and the PMC signal pos
  • Page 884. CONFIRMATION OF THE OPERATION START-UP PROCEDURE B-65165E/02 4.3.4 Checking The Feedback Signal Waveform First, refer to Subsection 9.2.3 of "FANUC SERVO AMPLIFIER α series Descriptions" (B-65162E), and make sure that the spindle sensors and other detectors are connected at the correct points. Ne
  • Page 894. CONFIRMATION OF B-65165E/02 START-UP PROCEDURE THE OPERATION (2) SPM type 3 SPM input Connector pin Check Main sensors Remarks connector signal terminal name JY2 Phase A: pin 5, 6 PA1 M, MZ, and BZ sensors Main side Phase B: pin 7, 8 PB1 Phase Z: pin 1, 2 PS1 MZ and BZ sensors (one-rotation signa
  • Page 904. CONFIRMATION OF THE OPERATION START-UP PROCEDURE B-65165E/02 4.3.4.1 M sensor Measurement Measurement Sample waveform location condition Input on JY2 side The speed must be -1 Waveforms of phase PA1, PB1 1500 min or less. A and phase B PA1 (PA2) Vpp For sub side selected by spindle switching: Vof
  • Page 914. CONFIRMATION OF B-65165E/02 START-UP PROCEDURE THE OPERATION 4.3.4.2 MZ and BZ sensors Measurement Measurement Sample waveform location condition Input on JY2 side The speed must be -1 Waveforms of phase PA1, PB1 1500 min or less. A and phase B PA1 (PA2) Vpp For SPM type 4: Rotation direction: CW
  • Page 924. CONFIRMATION OF THE OPERATION START-UP PROCEDURE B-65165E/02 4.3.4.3 MZ sensor for α 0.5 (A06B-0866-B390) (old specification) Measurement Measurement Sample waveform location condition Input on JY2 side The speed must be -1 Waveforms of phase PA1, PB1 1500 min or less. A and phase B PA1 (PA2) Vpp
  • Page 934. CONFIRMATION OF B-65165E/02 START-UP PROCEDURE THE OPERATION 4.3.4.4 High-resolution magnetic pulse coder After mounting a high-resolution magnetic pulse coder on the machine, check waveforms. If a measurement value exceeds the specified range, adjustment is required. After mounting the sensor, y
  • Page 944. CONFIRMATION OF THE OPERATION START-UP PROCEDURE B-65165E/02 One-rotation signal Measurement Measurement Sample waveform location condition Check pin Z on the The speed must be 500 -1 preamplifier min or less. Waveform of phase Z Z2 2.5 V (VRM) Z Z1 0V Measurement item Specification Measurement m
  • Page 954. CONFIRMATION OF B-65165E/02 START-UP PROCEDURE THE OPERATION (2) Adjusting check pins on the check board For the high-resolution magnetic pulse coder built into the motor, waveforms are factory-adjusted. If a waveform exceeds a specified value, however, adjust potentiometers on the preamplifier.
  • Page 964. CONFIRMATION OF THE OPERATION START-UP PROCEDURE B-65165E/02 For the SPM type 2 Measurement item Specification Measurement method Adjustment method Vpp 0.86 to 1.20 Vp-p Adjust potentiometers A3G and B3G on the preamplifier. Vpp2 1.20 to 1.51 Vp-p Adjust potentiometers A1G and B1G on the preampli
  • Page 974. CONFIRMATION OF B-65165E/02 START-UP PROCEDURE THE OPERATION 4.3.5 Spindle Check Board When connecting the check board, you can: <1> Observe signal waveforms. <2> Observe internal data. 4.3.5.1 Spindle check board specifications There are two types of spindle check boards: Check boards for the α
  • Page 984. CONFIRMATION OF THE OPERATION START-UP PROCEDURE B-65165E/02 4.3.5.2 Check board connection (1) A06B-6078-H001 (A20B-2001-0830) SPM SPMC SPM-HV JX4 JY1 JY1 Spindle check Spindle check JY1A JX4A JY1A JX4A board board A20B-2001-0830 A20B-2001-0830 JY1B JX4B JY1B JX4B Output equivalent to JX4 Output
  • Page 994. CONFIRMATION OF B-65165E/02 START-UP PROCEDURE THE OPERATION 4.3.5.3 Check terminal output signals (1) A06B-6078-H001 (A20B-2001-0830) check terminal output signals Check terminal Signal name Check terminal Signal name LM Load meter signal PA1 Phase A sine wave signal 1 SM Speed meter signal PB1
  • Page 1004. CONFIRMATION OF THE OPERATION START-UP PROCEDURE B-65165E/02 (2) A06B-6072-H051 (A20B-1005-0740) check terminal output signals Check terminal Signal name Check terminal Signal name LM Load meter signal PA1 Phase A sine wave signal 1 SM Speed meter signal PB1 Phase B sine wave signal 1 IU Phase U
  • Page 1014. CONFIRMATION OF B-65165E/02 START-UP PROCEDURE THE OPERATION 4.3.6 Observing Data Using the Spindle Check Board 4.3.6.1 Overview By using the check board, you can convert digital signals used for control in the spindle amplifier module to analog voltage, and observe the conversion result with an
  • Page 1024. CONFIRMATION OF THE OPERATION START-UP PROCEDURE B-65165E/02 4.3.6.3 Observation method By setting data using four DIP switches on the check board, you can output internal data to the five-digit display, analog voltage output circuit, channels 1 and 2 (LM and SM or CH1 and CH2). Data on channels
  • Page 1034. CONFIRMATION OF B-65165E/02 START-UP PROCEDURE THE OPERATION 4.3.6.4 Specifying data to be monitored <1> Press the four setting switches at the same time for at least a second ."FFFFF" will be displayed on the indicator. <2> Turn off the switches and press the "MODE" switch. "d-00" will be displa
  • Page 1044. CONFIRMATION OF THE OPERATION START-UP PROCEDURE B-65165E/02 4.3.6.5 Address descriptions and initial values (SPM) [Output to the indicator] Address Description Initial value d-01 Specifies a data number. 0 d-02 Shift at data output (0 to 31 bits) 0 d-03 Data shift direction 0 0 : Data is shifted
  • Page 1054. CONFIRMATION OF B-65165E/02 START-UP PROCEDURE THE OPERATION 4.3.6.6 Address descriptions and initial values (SPMC) [Output to the indicator] Address Description Initial value d-01 Specifies a data number. 0 d-02 Shift at data output (0 to 31 bits) 0 d-03 Data shift direction 0 0 : Data is shifte
  • Page 1064. CONFIRMATION OF THE OPERATION START-UP PROCEDURE B-65165E/02 4.3.6.7 Principles in outputting the internal data of the serial spindle The length of data is 32 bits (BIT31 TO BIT00) unless it is described as 16 bits. BIT31 …… BIT03 BIT02 BIT01 BIT00 <1> Example of output to the indicator Example1
  • Page 1074. CONFIRMATION OF B-65165E/02 START-UP PROCEDURE THE OPERATION Example4 Shifting data right When the number of digits to shift data (d-02)=5, shift direction is right (d-03=0), and display format (d-04)=0 (decimal notation): Data in BIT20 to BIT05 is converted into decimal (0 to 65535 max.) and dis
  • Page 1084. CONFIRMATION OF THE OPERATION START-UP PROCEDURE B-65165E/02 <2> Example of output to the channel 1 Internal data is output to channel 1 by setting it in an 8-bit D/A convertor. The output range of the D/A convertor varies from one printed- circuit board to another. The output ranges from -5 V to
  • Page 1094. CONFIRMATION OF B-65165E/02 START-UP PROCEDURE THE OPERATION Example4 Shifting data right when the data length is 16 bits When the data length is 16 bits, data shift (d-06)=10, shift direction is right (d-07=0), and no offset is provided (d-08=0): The first two bits of data (=0) and data in BIT15
  • Page 1104. CONFIRMATION OF THE OPERATION START-UP PROCEDURE B-65165E/02 4.3.6.8 Data numbers (1) SPM Data Data Description Remarks No. length Main data 16 Motor speed command 32 The 12th bit (BIT12) indicates a units in rpm. 19 Motor speed 32 The 12th bit (BIT12) indicates a units in rpm. 25 Motor speed dev
  • Page 1114. CONFIRMATION OF B-65165E/02 START-UP PROCEDURE THE OPERATION (2) SPMC Data Data Description Remarks No. length Main data 19 Motor speed command 32 The 12th bit (bit 12) indicates the unit of -1 min . 8 Motor speed 32 The 12th bit (bit 12) indicates the unit of -1 min (only when a position coder i
  • Page 1124. CONFIRMATION OF THE OPERATION START-UP PROCEDURE B-65165E/02 (3) Internal data conversion (A20B-2001-0830) Data Signal Description (All are voltage values on check pins when No. name the shift amount is 8.) 218 IU Phase U current The current is positive when it is input to the amplifier. 219 IV P
  • Page 1134. CONFIRMATION OF B-65165E/02 START-UP PROCEDURE THE OPERATION 4.3.6.9 Example of monitoring data <1> Example of monitoring a positioning error using the channel 1 Address Description Set Data d-05 Data number 9 9 9 9 d-06 Data shift 0 1 1 2 d-07 Data shift direction 0 0 1 1 d-08 Offset 1 1 1 1 Dat
  • Page 1145. PERIODIC MAINTENANCE OF SERVO AMPLIFIER START-UP PROCEDURE B-65165E/02 5 PERIODIC MAINTENANCE OF SERVO AMPLIFIER - 84 -
  • Page 1155. PERIODIC MAINTENANCE B-65165E/02 START-UP PROCEDURE OF SERVO AMPLIFIER 5.1 BATTERY FOR THE ABSOLUTE PULSE CODER When the interface with the CNC is type B or FSSB, the battery for the absolute pulse coder is required for absolute-position detection. The battery for the absolute pulse coder is inst
  • Page 1165. PERIODIC MAINTENANCE OF SERVO AMPLIFIER START-UP PROCEDURE B-65165E/02 5.1.1 Installing a Special Lithium Battery in the SVM (Method 1) A special lithium battery (A06B-6073-K001) can be installed in the SVM (see the figure below). [Installation procedure] (1) Remove the battery cover from the SVM
  • Page 1175. PERIODIC MAINTENANCE B-65165E/02 START-UP PROCEDURE OF SERVO AMPLIFIER 5.1.2 Using a Battery Case (A06B-6050-K060) (Method 2) Details of connection of the battery unit to the SVM Battery unit SVM +6 V CX5X, CX5Y (2) 0V CX5X, CX5Y (1) 0.3 mm × 2 2 Screw terminal: M3 Housing : 1L-L2S-S3L-B(N) Crimp
  • Page 1185. PERIODIC MAINTENANCE OF SERVO AMPLIFIER START-UP PROCEDURE B-65165E/02 5.1.3 Connecting a Battery to Multiple SVMs There are two methods for connecting a battery to more than one SVM. (1) Connecting a battery installed in one SVM to other SVMs (2) Connecting a separate battery unit to SVMs The fo
  • Page 1195. PERIODIC MAINTENANCE B-65165E/02 START-UP PROCEDURE OF SERVO AMPLIFIER (1) Connecting a battery installed in one SVM to other SVMs SVM SVM CX5X CX5X CX5Y CX5Y Battery contained No battery (2) Connecting a separate battery unit to SVMs SVM SVM Battery unit A06B-6050-K060 CX5X CX5X CX5Y CX5Y Batter
  • Page 1205. PERIODIC MAINTENANCE OF SERVO AMPLIFIER START-UP PROCEDURE B-65165E/02 Details of connection between SVMs SVM SVM CX5X, CX5Y (2) CX5X, CX5Y (2) CX5X, CX5Y (1) CX5X, CX5Y (1) 0.3 mm × 2 2 Housing : 1L-L2S-S3L-B(N) Housing : 1L-L2S-S3L-B(N) Contact : 1L-C2-1-00001 Contact : 1L-C2-1-00001 Manufactur
  • Page 1215. PERIODIC MAINTENANCE B-65165E/02 START-UP PROCEDURE OF SERVO AMPLIFIER 5.1.4 Replacing the Battery To prevent absolute-position information of the absolute pulse coder from being lost, replace the battery while the power for control is on. Follow the procedure explained below. 1. Make sure that t
  • Page 1225. PERIODIC MAINTENANCE OF SERVO AMPLIFIER START-UP PROCEDURE B-65165E/02 5.1.5 Attaching and Detaching Connectors (1) Attaching connectors <1> Check the attachment position. <2> Plug the cable connector while raising it slightly. 10 degrees or less <5> Here, the angle of the cable connector to the
  • Page 1235. PERIODIC MAINTENANCE B-65165E/02 START-UP PROCEDURE OF SERVO AMPLIFIER (2) Detaching the connector <1> Hold both the sides of the cable insulator and the cable, and pull them horizontally. <2> Pull out the cable side while raising it slightly. 10 degrees or less <3> Here, the angle of the cable t
  • Page 124II. TROUBLESHOOTIN
  • Page 125B-65165E/02 TROUBLESHOOTING 1.OVERVIEW 1 OVERVIEW This part describes the troubleshooting procedure for each module. Read the section related to your current trouble to locate it and take an appropriate action. First, check the alarm number and STATUS display indicated on your module with each list
  • Page 1262. ALARM NUMBERS AND BRIEF DESCRIPTIONS TROUBLESHOOTING B-65165E/02 2 ALARM NUMBERS AND BRIEF DESCRIPTIONS - 98 -
  • Page 1272. ALARM NUMBERS AND B-65165E/02 TROUBLESHOOTING BRIEF DESCRIPTIONS 2.1 FOR SERIES 16i, 18i, 20i, 21i, AND Power Mate i Servo alarm Alarm SVM SPM PSM Description Remarks No. 360 Pulse coder checksum error (built-in) 3.3.7 (1) 361 Pulse coder phase error (built-in) 3.3.7 (1) 363 Clock error (built-in
  • Page 1282. ALARM NUMBERS AND BRIEF DESCRIPTIONS TROUBLESHOOTING B-65165E/02 Alarm SVM SPM PSM Description Remarks No. 441 Current offset error 3.3.8 442 05 Converter: DC link charging/inverter DB 3.1 443 02 Converter: cooling fan stopped 3.1 444 1 Inverter: internal cooling fan stopped 3.2 445 Soft disconne
  • Page 1292. ALARM NUMBERS AND B-65165E/02 TROUBLESHOOTING BRIEF DESCRIPTIONS (n represents a spindle number. Example: n = 1 for the first spindle) Alarm SVM SPM PSM Description Remarks No. 749 24 Serial transfer data error 3.4 749 25 Setting data transfer stopped 3.4 7n26 26 Cs contour control speed detectio
  • Page 1302. ALARM NUMBERS AND BRIEF DESCRIPTIONS TROUBLESHOOTING B-65165E/02 2.2 FOR SERIES 15i Servo alarm Alarm SVM SPM PSM Description Remarks No. SV0027 Invalid digital servo parameter setting 3.3.6 SV0360 Pulse coder checksum error (built-in) 3.3.7 (1) SV0361 Pulse coder phase error (built-in) 3.3.7 (1)
  • Page 1312. ALARM NUMBERS AND B-65165E/02 TROUBLESHOOTING BRIEF DESCRIPTIONS Alarm SVM SPM PSM Description Remarks No. SV0442 05 Converter: DC link charging/inverter DB 3.1 SV0443 02 Converter: cooling fan stopped 3.1 SV0444 1 Inverter: internal cooling fan stopped 3.2 SV0445 Soft disconnection alarm 3.3.4 S
  • Page 1322. ALARM NUMBERS AND BRIEF DESCRIPTIONS TROUBLESHOOTING B-65165E/02 Alarm SVM SPM PSM Description Remarks No. SP0026 26 Cs contour control speed detection signal 3.4 error SP0027 27 Position coder signal error 3.4 SP0028 28 Cs contour control position detection 3.4 signal error SP0029 29 Short-perio
  • Page 1332. ALARM NUMBERS AND B-65165E/02 TROUBLESHOOTING BRIEF DESCRIPTIONS 2.3 FOR SERIES 16, 18, 20, 21 Servo alarm Alarm Diagnosis SVM SPM PSM Description Remarks No. screen 350 Alarm 3 α pulse coder error alarm 3.3.7 351 Alarm 4 Pulse coder communication error alarm 3.3.7 400 OVL 1 Fan stopped alarm (SV
  • Page 1342. ALARM NUMBERS AND BRIEF DESCRIPTIONS TROUBLESHOOTING B-65165E/02 DGN No. #7 #6 #5 #4 #3 #2 #1 #0 Alarm 1 200 OVL LVA OVC HCA HVA DCA FBA OFA Alarm 2 201 ALD EXP Alarm 3 202 CSA BLA PHA RCA BZA CKA SPH Alarm 4 203 DTE CRC STB PRM Alarm 5 204 OFS MCC LDM PMS FAN DAL ABF Spindle alarm Alarm No. SVM
  • Page 1352. ALARM NUMBERS AND B-65165E/02 TROUBLESHOOTING BRIEF DESCRIPTIONS Alarm No. SVM SPM PSM Description Remarks 751 (AL-33) 33 05 DC link precharge failure 3.4 751 (AL-34) 34 Parameter data out of specification 3.4 751 (AL-35) 35 Too large gear ratio specified 3.4 751 (AL-36) 36 Error counter overflow
  • Page 1362. ALARM NUMBERS AND BRIEF DESCRIPTIONS TROUBLESHOOTING B-65165E/02 2.4 FOR SERIES 15 Servo alarm Alarm SVM SPM PSM Description Remarks No. SV001 Soft thermal (OVC) 3.3.3 SV003 8 Abnormal current alarm (L axis) 3.2 9 (M axis) A (N axis) b (L, M axis) C (M, N axis) d (L, N axis) E (L, M, N axis) 1 (P
  • Page 1372. ALARM NUMBERS AND B-65165E/02 TROUBLESHOOTING BRIEF DESCRIPTIONS Alarm SVM SPM PSM Description Remarks No. SV323 Soft disconnection alarm 3.3.7 SV324 Hard disconnection alarm 3.3.7 SV325 Pulse coder error alarm (built-in) 3.3.7(1) SV326 Pulse coder error alarm (built-in) 3.3.7(1) SV327 Speed erro
  • Page 1382. ALARM NUMBERS AND BRIEF DESCRIPTIONS TROUBLESHOOTING B-65165E/02 Spindle alarm Alarm SVM SPM PSM Description Remarks No. OT300 A Program ROM error 3.4 OT300 A0 Program ROM error 3.4 OT300 A1 Program RAM error 3.4 OT300 A2 Program RAM error 3.4 OT300 A3 SPM control circuit clock error 3.4 OT300 A4
  • Page 1392. ALARM NUMBERS AND B-65165E/02 TROUBLESHOOTING BRIEF DESCRIPTIONS Alarm SVM SPM PSM Description Remarks No. OT399 40 Cs contour controling one-rotation signal 3.4 not detected OT399 41 Position coder one-rotation signal 3.4 detection error OT399 42 Position coder one-rotation signal not 3.4 detect
  • Page 1402. ALARM NUMBERS AND BRIEF DESCRIPTIONS TROUBLESHOOTING B-65165E/02 2.5 FOR SERIES 0-C Servo alarm Alarm Diagnosis SVM SPM PSM Description Remarks No. screen 309 Alarm 3 α pulse coder error alarm 3.3.7 Alarm 4 Pulse coder communication error alarm 400 OVL 1 Fan stopped alarm (SVM) 3.2 2 Fan stopped
  • Page 1412. ALARM NUMBERS AND B-65165E/02 TROUBLESHOOTING BRIEF DESCRIPTIONS Spindle alarm Alarm SVM SPM PSM Description Remarks No. 945 A Program ROM error 3.4 945 A0 Program ROM error 3.4 945 A1 Program RAM error 3.4 945 A2 Program RAM error 3.4 945 A3 SPM control circuit clock error 3.4 945 A4 SRAM parity
  • Page 1422. ALARM NUMBERS AND BRIEF DESCRIPTIONS TROUBLESHOOTING B-65165E/02 Alarm SVM SPM PSM Description Remarks No. 409 40 Cs contouring control one-rotation signal 3.4 not detected 409 41 Position coder one-rotation signal 3.4 detection error 409 42 Position coder one-rotation signal not 3.4 detected 409
  • Page 1433. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION 3 TROUBLESHOOTING AND ACTION - 115 -
  • Page 1443. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 3.1 POWER SUPPLY MODULE 3.1.1 Power Supply Module (PSM, PSM-HV) If an alarm occurs, in the STATUS display, the ALM LED lights red, and the two-digit 7-segment display indicates an alarm code. status PIL ALM Indicates an alarm code (01 or abov
  • Page 1453. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION For PSM-15 to PSM-55, PSM-18HV to PSM-75HV (1) Meaning Overcurrent flowed into the input of the main circuit. (2) Cause and troubleshooting (a) Input supply voltage imbalance → Check the input power supply specification. (b) The specification
  • Page 1463. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 3.1.1.4 Alarm code 04 (1) Meaning In the main circuit, the DC voltage (DC link) has dropped. (2) Cause and troubleshooting (a) A small power dip has occurred. → Check the power supply. (b) Low input power supply voltage → Check the power supp
  • Page 1473. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION 3.1.1.7 Alarm code 07 (1) Meaning In the main circuit, the DC voltage at the DC link is abnormally high. (2) Cause and troubleshooting (a) Excessive regenerated power Regeneration is impossible. The PSM does not have a sufficient capacity. →
  • Page 1483. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 3.1.2.1 Alarm code 01 (1) Meaning Overcurrent flowed into the DC link of the main circuit. (2) Cause and troubleshooting (a) Thyristor or IGBT failure → Replace the thyristor or IGBT. (b) DC link short-circuit → Check the connection. (c) The
  • Page 1493. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION 3.1.2.4 Alarm code 04 (1) Meaning In the main circuit, the DC voltage (DC link) has dropped. (2) Cause and troubleshooting (a) Low input power supply voltage → Check the power supply. 3.1.2.5 Alarm code 05 (1) Meaning The main circuit capacit
  • Page 1503. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 3.1.2.8 Alarm code 26 (1) Meaning The frequency of the main circuit input power supply is abnormal. (2) Cause and troubleshooting (a) Input power supply frequency error → Check the input power supply specification (50/60 Hz ±1 Hz). 3.1.2.9 Al
  • Page 1513. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION 3.1.2.12 Alarm code 17 (1) Meaning In the main circuit, the voltage at the DC link is abnormally high. A fuse of the AC reactor unit may have blown. (2) Cause and troubleshooting (a) An input fuse of the AC reactor unit has blown. → Replace t
  • Page 1523. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 3.1.2.15 Alarm code A0 (1) Meaning (a) No ROM is installed. (b) The ROM is faulty. (2) Cause and troubleshooting (a) The ROM is not installed correctly, or no ROM is installed. Check if the ROM is removed from the socket or if a bent lead has
  • Page 1533. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION 3.1.3 Power Supply Module (PSMR) When an alarm is issued, the one-digit 7-segment LED indicates an alarm code. Indicates an alarm code (02 or above). 3.1.3.1 Alarm code 2 (1) Meaning A cooling fan for the control circuit has stopped. (2) Caus
  • Page 1543. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 3.1.3.3 Alarm code 5 (1) Meaning (a) The input power supply is abnormal (open phase). (b) The main circuit capacitor was not recharged within the specified time. (2) Cause and troubleshooting (a) The input power supply has an open phase. → Ch
  • Page 1553. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION 3.1.3.6 Alarm code 8 (1) Meaning (a) The regenerative discharge unit is heated. (b) Regenerated power is excessive. (2) Cause and troubleshooting (a) The regenerative resistance capacity is insufficient. → Check the specification of the regen
  • Page 1563. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 3.2 SERVO AMPLIFIER MODULE 3.2.1 Abnormal Current Alarms (8, 9, A, b, C, d, and E in the LED display) (1) Make sure that the following parameters are set to the standard values. If they are not, abnormal current control is performed. No. 1809
  • Page 1573. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION (6) If still there is noise, a probable cause is a defective command cable or a hardware failure in the CNC. - 129 -
  • Page 1583. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 3.2.2 IPM Alarms (8., 9., A., b., C., d., and E in the LED display; note these codes are displayed simultaneously with a period.) (1) Wait for about 10 minutes. Then release the emergency stop state. If an IPM alarm still occurs, go to (2). I
  • Page 1593. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION 3.2.3 Control Power Supply Undervoltage Alarm (2 in the LED display) (1) Check the three-phase input voltage to the amplifier. → If the voltage is below 0.85 times the rating, adjust it to the rated value. (2) Replace the servo amplifier. 3.2
  • Page 1603. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 (3) Exchange the command cables according to the diagram here. When switching the CNC on, do so in an emergency stop state. → If the alarm recurs on the same axis, go to (5). → If the alarm occurs on the other axis, go to (4). CNC Servo ampli
  • Page 1613. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION 3.3 SERVO SOFTWARE If a servo alarm is issued, an alarm message is output, and details of the alarm are also displayed on the servo adjustment screen or the diagnosis screen. Using the alarm identification table given in this section, determi
  • Page 1623. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 Alarm detail information <1> <2> <3> <4> <5> Fig. 3.3.1(a) Servo adjustment screen Alarm detail information <1> <6> <2> <7> <3> <8> <4> <9> <5> Fig. 3.3.1(b) Series 15i servo alarm screen The table below indicates the names of the alarm bits.
  • Page 1633. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION 3.3.2 Diagnosis Screen The alarm items of the servo adjustment screen correspond to the diagnosis screen numbers indicated in the table below. Table 3.3.2 Correspondence between the servo adjustment screen and diagnosis screen Alarm No. Serie
  • Page 1643. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 3.3.3 Overload Alarm (Soft Thermal, OVC) (Alarm identification method) #7 #6 #5 #4 #3 #2 #1 #0 <1> Alarm 1 OVL LVA OVC HCA HVA DCA FBA OFA (Action) (1) Make sure that the motor is not vibrating. ⇒ If a motor vibrates, the current flowing in i
  • Page 1653. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION 3.3.4 Feedback Disconnected Alarm (Alarm identification method) #7 #6 #5 #4 #3 #2 #1 #0 <1> Alarm 1 OVL LVA OVC HCA HVA DCA FBA OFA <2> Alarm 2 ALD EXP <6> Alarm 6 SFA FBA ALD EXP SFA Alarm description Action 1 1 1 0 Hard disconnection (separ
  • Page 1663. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 3.3.5 Overheat Alarm (Alarm identification method) #7 #6 #5 #4 #3 #2 #1 #0 <1> Alarm 1 OVL LVA OVC HCA HVA DCA FBA OFA <2> Alarm 2 ALD EXP OVL ALD EXP Alarm description Action 1 1 0 Motor overheat 1 1 0 0 Amplifier overheat 1 (Action) Action
  • Page 1673. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION 3.3.7 Alarms Related to Pulse Coder and Separate Serial Detector (Bits for alarm identification) #7 #6 #5 #4 #3 #2 #1 #0 <1> Alarm 1 OVL LVA OVC HCA HVA DCA FBA OFA <2> Alarm 2 ALD EXP <3> Alarm 3 CSA BLA PHA RCA BZA CKA SPH <4> Alarm 4 DTE C
  • Page 1683. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 (2) For a separate serial detector An alarm is determined from the bits of alarm 7. The table below indicates the meaning of each bit. Alarm 7 Alarm description Action OHA LDA BLA PHA CMA BZA PMA SPH 1 Soft phase alarm 2 1 Pulse error alarm 1
  • Page 1693. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION (3) Alarms related to serial communication An alarm is determined from the bits of alarms 4 and 8. Alarm 4 Alarm 8 Alarm description DTE CRC STB DTE CRC STB 1 1 Serial pulse coder communication alarm 1 1 1 Separate serial pulse coder communic
  • Page 1703. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 3.3.8 Other Alarms (Alarm identification method) #7 #6 #5 #4 #3 #2 #1 #0 <5> Alarm 5 OFS MCC LDM PMS FAN DAL ABF OFS DAL ABF Alarm description Action 1 Feedback mismatch alarm 1 1 Excessive semi-full error alarm 2 1 Current offset error alarm
  • Page 1713. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION Action 2: This alarm is issued when the difference between the motor position and separate detector position exceeds the excessive semi-full error level. Check if the conversion efficient for dual position feedback is set correctly. If the co
  • Page 1723. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 3.4 SPINDLE AMPLIFIER MODULE This section uses the following format for describing parameter numbers: FS0 FS15i FS16i/16, PM-D/F Description 6582 3082 4082 Setting of acceleration/deceleration time The items of FS15i cover FS15. For a paramet
  • Page 1733. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION (2) If an alarm is issued during motor activation (a) Influence of noise Referring to Chapter 5, "Installation," of "FANUC SERVO AMPLIFIER α series Descriptions (B-65162E)," check the GND-related wiring. If the signal cable of the spindle sen
  • Page 1743. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 3.4.1.3 Alarm code 02 The actual motor speed is largely deviated from the commanded speed. (1) If this alarm is issued during motor acceleration (a) The parameter setting of acceleration/deceleration time is incorrect. In the following parame
  • Page 1753. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION 3.4.1.4 Alarm code 03 The fuse of the DC link has blown. (The voltage at the DC link is insufficient.) This alarm is checked when emergency stop is cancelled. (1) If this alarm is issued during spindle operation (rotation) The fuse of the DC
  • Page 1763. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 3.4.1.6 Alarm code 07 The motor rotates at a speed exceeding 115% (standard setting) of the maximum allowable speed. (1) If this alarm is issued during spindle synchronization If the activation (SFR, SRV) of the motor on one side is turned of
  • Page 1773. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION (c) When the heat sink on the back of the amplifier is too dirty, clean the heat sink, for example, by blowing air. Consider the use of a structure that prevents the heat sink from being directly exposed to coolant. (2) If this alarm is issue
  • Page 1783. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 3.4.1.9 Alarm code 12 An excessively large current flowed into the DC link of the main circuit. With SPM-2.2 to SPM-11 and SPM-11HV, this alarm indicates that the power module (IPM) of the main circuit detected an error such as an excessive l
  • Page 1793. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION 3.4.1.10 Alarm code 13 The memory inside the CPU is faulty. A check is made when the power is turned on. If this alarm is issued, replace the SPM or SPM control printed circuit board. 3.4.1.11 Alarm code 15 In output switching control or spin
  • Page 1803. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 3.4.1.13 Alarm codes 19 and 20 The offset voltage of the phase U (alarm code 19) or phase V (alarm code 20) current detection circuit is excessively high. A check is made when the power is turned on. If this alarm is issued, replace the SPM.
  • Page 1813. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION 3.4.1.16 Alarm code 26 The sensor signal (for speed control) for Cs contour control has an error. <1> When a high-resolution magnetic pulse coder is used with SPM TYPE2 (using both of the JY2 and JY5 connectors), the amplitude of the sensor s
  • Page 1823. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 (3) If this alarm is issued when the motor rotates Shielded cable (a) The shielding of the cable between the preamplifier or MZ sensor (for TYPE4) and the SPM is faulty. S Referring to Chapter 9, "Connection," in "FANUC SERVO Sensor P M AMPLI
  • Page 1833. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION 3.4.1.17 Alarm code 27 The sensor signal (position coder signal) for position control is abnormal. <1> The signal of the α position coder is disconnected (for all types). <2> When an MZ or BZ sensor is used with SPM TYPE1 (using the JY2 conne
  • Page 1843. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 Other sensors (3) If this alarm is issued when the motor rotates Shielded cable (a) The shielding of the cable between the sensor and the SPM is faulty. S Referring to Chapter 9, "Connection," in "FANUC SERVO Sensor AMPLIFIER α series Descrip
  • Page 1853. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION 3.4.1.19 Alarm code 29 An excessive load (standard setting: load meter reading of 9 V) has been applied continuously for a certain period (standard setting: 30 seconds). (1) If this alarm is issued during cutting Check the load meter, and rev
  • Page 1863. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 3.4.1.20 Alarm code 30 An excessively large current is detected at the input of the 3-phase main circuit of the PSM. (1) If the PSM indicates alarm code 1 Troubleshoot according to the description of alarm code 1 provided in Section 3.1 of Pa
  • Page 1873. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION 3.4.1.22 Alarm code 32 LSI memory for serial communication is abnormal. A check is made when the power is turned on. If this alarm is issued, replace the SPM or SPM control printed circuit board. 3.4.1.23 Alarm code 33 The PSM could not be ch
  • Page 1883. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 3.4.1.25 Alarm code 35 The gear ratio set in a parameter exceeds the value range allowable for internal processing. This alarm is issued with a parameter related to orientation of magnetic sensor type. Troubleshooting when this alarm is issue
  • Page 1893. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION 3.4.1.27 Alarm code 37 After emergency stop signal input, the motor is accelerated without being decelerated. This alarm is issued also when the motor is not deactivated (the motor is not decelerated completely) when the acceleration/decelera
  • Page 1903. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 3.4.2 Alarm Code 39 The position where the one-rotation signal for Cs contour control is generated is incorrect. This alarm is not issued when the parameter indicated below is not set. <1> When SPM TYPE2 is used, phase A/B/Z on the high-resol
  • Page 1913. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION 3.4.2.1 Alarm code 40 The one-rotation signal for Cs contour control is not generated. <1> When SPM TYPE2 is used, phase A/B/Z on the high-resolution (1000 to 3000 λ) side of the high-resolution magnetic pulse coder on the spindle side has a
  • Page 1923. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 3.4.2.2 Alarm code 41 <1> The position where the one-rotation signal of the α position coder is generated is incorrect. <2> The position where the one-rotation signal of the MZ sensor or BZ sensor is generated is incorrect. <3> The position w
  • Page 1933. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION 3.4.2.3 Alarm code 42 <1> The one-rotation signal of the α position coder is not generated. <2> The one-rotation signal of the MZ sensor or BZ sensor is not generated. <3> The one-rotation signal of α position coder S is not generated. Troubl
  • Page 1943. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 3.4.2.7 Alarm code 47 <1> The count value of α position coder signal pulses is abnormal. <2> The pulse count value of the MZ sensor or BZ sensor is abnormal. Phases A and B for the position coder have a feedback pulse count of 4096 p/rev per
  • Page 1953. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION 3.4.2.8 Alarm code 49 In the differential speed mode, the spindle speed on the master side (remote) converted to a motor speed on the slave side (local) exceeded the maximum allowable speed of the motor. Troubleshooting when this alarm is iss
  • Page 1963. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 3.4.2.11 Alarm codes 52 and 53 The synchronization signal (ITP) in communication data transferred to and from the CNC stopped. Troubleshooting when this alarm is issued (a) The SPM is faulty. Replace the SPM or SPM control printed circuit boa
  • Page 1973. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION 3.4.2.14 Alarm code 56 The cooling fan of the control circuit stopped. When this alarm is issued, replace the SPM or the internal cooling fan of the SPM. When replacing the internal cooling fan, see Chapter 4. 3.4.2.15 Alarm code 57 The tempe
  • Page 1983. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 3.4.2.17 Alarm code 59 The internal cooling fan of the PSM stopped. (1) If the PSM indicates alarm code 2 Troubleshoot according to the description of alarm code 2 provided in Section 3.1 of Part II. (2) If the PSM indicates no alarm (a) A ca
  • Page 1993. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION 3.4.3 αC Series Spindle Amplifier Module For the αC series, only those alarm codes that have the same number as for the α series and require troubleshooting different from the α series are described. For an alarm code not covered by this subs
  • Page 2003. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 (c) A power element is destroyed. A power element (IGBT, IPM) may be destroyed. Replace the SPM. If the amplifier setting condition is not satisfied, or cooling is insufficient because the heat sink is dirty, the power elements may be destroy
  • Page 2013. TROUBLESHOOTING B-65165E/02 TROUBLESHOOTING AND ACTION 3.5 POWER-FAILURE BACKUP MODULE When an alarm is issued, the one-digit 7-segment LED indicates an alarm code. Indicates an alarm code (01 or above). 3.5.1 Alarm Code 1 (1) Meaning Sub-module C cannot be charged. (2) Cause and troubleshooting
  • Page 2023. TROUBLESHOOTING AND ACTION TROUBLESHOOTING B-65165E/02 3.5.4 Alarm Code 4 (1) Meaning The regenerative resistance in sub-module R is overheated. (2) Cause and troubleshooting (a) Sub-module R is placed in conductive state at all times because of a regenerative circuit failure. → Replace the power
  • Page 2034. HOW TO REPLACE THE FUSES B-65165E/02 TROUBLESHOOTING AND PRINTED CIRCUIT BOARDS 4 HOW TO REPLACE THE FUSES AND PRINTED CIRCUIT BOARDS WARNING Before replacing fuses or printed-circuit boards, make sure that the recharge-under-way LED (red) is off. Before replacing fuses or printed circuit boards,
  • Page 2044. HOW TO REPLACE THE FUSES AND PRINTED CIRCUIT BOARDS TROUBLESHOOTING B-65165E/02 (1) Power supply module Case Fuse Model Drawing No. disassembly replacement PSM-5.5 to 11 A06B-6077-H106 to 111 4.1.1 4.2.1(1) PSM-15 to 37 A06B-6087-H115 to 137 4.1.2 4.2.1(1), (3) A06B-6077-H115 to 130 4.1.2 4.2.1(2
  • Page 2054. HOW TO REPLACE THE FUSES B-65165E/02 TROUBLESHOOTING AND PRINTED CIRCUIT BOARDS (3) Spindle amplifier module (In drawing numbers, # and the subsequent part is omitted.) Replacement of Case Fuse the program ROM Model Drawing No. disassembly replacement and the spindle sensor module SPM-2.2 to 11 T
  • Page 2064. HOW TO REPLACE THE FUSES AND PRINTED CIRCUIT BOARDS TROUBLESHOOTING B-65165E/02 4.1 CASE DISASSEMBLY 4.1.1 60/90 mm Width Modules Make sure that the recharge-under-way LED (red) is off. Recharge-under-way LED Remove the face plate. Face plate Remove the face plate by inserting the tip of a flat-b
  • Page 2074. HOW TO REPLACE THE FUSES B-65165E/02 TROUBLESHOOTING AND PRINTED CIRCUIT BOARDS Case 2 Case 1 (cover) (chassis) Remove the screws fastening the case and the screws (5 × M4) holding down the terminal board. Remove the printed-circuit board. • Cases for the SVM Control circuit board Wiring board Co
  • Page 2084. HOW TO REPLACE THE FUSES AND PRINTED CIRCUIT BOARDS TROUBLESHOOTING B-65165E/02 4.1.2 150 mm Width Module (without the Connector Module) Make sure that the recharge-under-way LED (red) is off. The recharge-under-way LED (red) is at the center of terminal board TB1. Open the cover at the top of th
  • Page 2094. HOW TO REPLACE THE FUSES B-65165E/02 TROUBLESHOOTING AND PRINTED CIRCUIT BOARDS Remove the printed-circuit board. PCB supports (two) Fan Wiring Printed-circuit board board Heat sink Printed-circuit board PCB support Hook While spreading the PCB support hooks, pull the printed-circuit board off th
  • Page 2104. HOW TO REPLACE THE FUSES AND PRINTED CIRCUIT BOARDS TROUBLESHOOTING B-65165E/02 4.1.3 150 mm Width Module (with the Connector Module) Make sure that the recharge-under-way LED (red) is off. The recharge-under-way LED (red) is at the center of terminal board TB1. Open the cover at the top of the m
  • Page 2114. HOW TO REPLACE THE FUSES B-65165E/02 TROUBLESHOOTING AND PRINTED CIRCUIT BOARDS Remove the case. ８×ネジ Screws (eight) ファン Fan ケースを取り付けて Remove the screws いるネジ（８ヶ所） (eight) fastening the 放 を外し、ケースをフ cases, and remove 熱 ケース ランジ面から手前に the case by pulling it Heat Case 器 引いて外します。 off the flange sink su
  • Page 2124. HOW TO REPLACE THE FUSES AND PRINTED CIRCUIT BOARDS TROUBLESHOOTING B-65165E/02 Remove the IGBT. TB1 <1> Remove terminal board TB1 (for SPM only). <2> Remove the electrolytic capacitor board. <3> Remove the wiring board. <4> Remove the IGBT. Capacitor board Wiring board IGBT Wiring board - 184 -
  • Page 2134. HOW TO REPLACE THE FUSES B-65165E/02 TROUBLESHOOTING AND PRINTED CIRCUIT BOARDS 4.1.4 300-mm Wide Module (without the Connector Module) Make sure that the recharge-under-way LED (red) is off. View the recharge-under-way LED (red) from the upper part of the DC link cover. LED Cover Remove the DC l
  • Page 2144. HOW TO REPLACE THE FUSES AND PRINTED CIRCUIT BOARDS TROUBLESHOOTING B-65165E/02 Remove the right side plate. Remove the screws (7 × M4) from the right side Right side plate plate. Heat sink Screw (7 × M4) Remove the control printed circuit board. Control printed circuit board Bottom plate Control
  • Page 2154. HOW TO REPLACE THE FUSES B-65165E/02 TROUBLESHOOTING AND PRINTED CIRCUIT BOARDS Remove the LED board for the recharge indicator. LED board for the recharge indicator Remove the screws (2 × M4) from the LED board, and remove the board. Heat sink Screw (× 2) Remove the top plate. <1> Remove the scr
  • Page 2164. HOW TO REPLACE THE FUSES AND PRINTED CIRCUIT BOARDS TROUBLESHOOTING B-65165E/02 Remove the left side and bottom plates. Screw (2 × M5) Wiring board Electrolytic capacitor Screw (3 × M6) <1> Locate the jumpers that connect the terminal block TB2 and the wiring board. Remove the screws (3 × M6) hol
  • Page 2174. HOW TO REPLACE THE FUSES B-65165E/02 TROUBLESHOOTING AND PRINTED CIRCUIT BOARDS Remove the power printed circuit board. <1> Remove the screws that connect the IGBT and wiring board (9 × M6, 12 × M4). <2> Remove the screws of the thermostat TH1 (2 × M4). <3> Remove the screws that connect the wiri
  • Page 2184. HOW TO REPLACE THE FUSES AND PRINTED CIRCUIT BOARDS TROUBLESHOOTING B-65165E/02 4.1.5 300-mm Wide Module (with the Connector Module) Make sure that the recharge-under-way LED (red) is off. View the recharge-under-way LED (red) from the upper part of the DC link cover. LED Cover Remove the DC link
  • Page 2194. HOW TO REPLACE THE FUSES B-65165E/02 TROUBLESHOOTING AND PRINTED CIRCUIT BOARDS Remove the right side plate. Remove the screws (7 × M4) from the right side Plate Heat sink plate. Screw (7 × M4) Remove the connector module and plate. <1> Remove the screws (3 × M3) from the connector module. Plate
  • Page 2204. HOW TO REPLACE THE FUSES AND PRINTED CIRCUIT BOARDS TROUBLESHOOTING B-65165E/02 Remove the control printed circuit board. Control printed circuit board Bottom plate Control printed circuit board Heat sink Hook PCB support PCB support Wiring board Insert the tip of a screwdriver into the opening o
  • Page 2214. HOW TO REPLACE THE FUSES B-65165E/02 TROUBLESHOOTING AND PRINTED CIRCUIT BOARDS Remove the top plate. <1> Remove the screws (2 × M5) from the DC link jumper. <2> Remove the screws (5 × M4) Screw (2 × M5) Heat sink from the top plate. <3> Remove the top plate. (The top plate comes off together wit
  • Page 2224. HOW TO REPLACE THE FUSES AND PRINTED CIRCUIT BOARDS TROUBLESHOOTING B-65165E/02 Remove the left side and bottom plates. Screw (2 × M5) Wiring board Electrolytic capacitor Screw (3 × M6) <1> Locate the jumpers that connect the terminal block TB2 and the wiring board. Remove the screws (3 × M6) hol
  • Page 2234. HOW TO REPLACE THE FUSES B-65165E/02 TROUBLESHOOTING AND PRINTED CIRCUIT BOARDS Remove the power printed circuit board. <1> Remove the screws that connect the IGBT and wiring board (9 × M6, 12 × M4). <2> Remove the screws of the thermostat TH1 (2 × M4). <3> Remove the screws that connect the wiri
  • Page 2244. HOW TO REPLACE THE FUSES AND PRINTED CIRCUIT BOARDS TROUBLESHOOTING B-65165E/02 4.2 REPLACING FUSES 4.2.1 Power Supply Module (1) Replacing fuses on the control printed circuit board a) F1 for 200 V for the control power b) F2 for 200 V for CX1B external cooling fan For A16B-2202-0423 to 0424 onl
  • Page 2254. HOW TO REPLACE THE FUSES B-65165E/02 TROUBLESHOOTING AND PRINTED CIRCUIT BOARDS (3) Replacing a fuse on the power printed circuit board a) F1 for the external cooling fan Fuse Specification drawing No. Remarks F1 A60L-0001-0175#0.5A 250V F0.5A DAITO HM05 F1 Power printed circuit board (A20B-1005-
  • Page 2264. HOW TO REPLACE THE FUSES AND PRINTED CIRCUIT BOARDS TROUBLESHOOTING B-65165E/02 (5) Replacing a fuse on the power printed circuit board a) F1 for 200 V for the external cooling fan Fuse Specification drawing No. Remarks F1 A60L-0001-0359 250V F5.0A DAITO HM50 F1 Control printed circuit board (A16
  • Page 2274. HOW TO REPLACE THE FUSES B-65165E/02 TROUBLESHOOTING AND PRINTED CIRCUIT BOARDS 4.2.2 Servo Amplifier Module (1) Replacing a fuse on the unit (control printed circuit board) a) F1 for the 24-V control power Fuse Specification drawing No. Remarks F1 A60L-0001-0290#LM32C 48V F3.2A DAITO LM32C F1 -
  • Page 2284. HOW TO REPLACE THE FUSES AND PRINTED CIRCUIT BOARDS TROUBLESHOOTING B-65165E/02 4.2.3 Spindle Amplifier Module (1) Replacing a fuse on the control printed circuit board a) F1 for the 24-V control power Fuse Specification drawing No. Remarks F2 A60L-0001-0290#LM32C 48V F3.2A DAITO LM32C F1 Control
  • Page 2294. HOW TO REPLACE THE FUSES B-65165E/02 TROUBLESHOOTING AND PRINTED CIRCUIT BOARDS (3) Replacing a fuse on the unit (control printed circuit board) a) F2 for the 24-V control power Fuse Specification drawing No. Remarks F2 A60L-0001-0290#LM50C 50V F5.0A DAITO LM50C F2 - 201 -
  • Page 2304. HOW TO REPLACE THE FUSES AND PRINTED CIRCUIT BOARDS TROUBLESHOOTING B-65165E/02 4.2.4 Power-Failure Backup Module (1) Replacing fuses on the unit (control printed circuit board) a) FU1 for 200 V for the control power b) FU2 for 200 V for the control power Fuses a) and b) above are provided for A1
  • Page 2314. HOW TO REPLACE THE FUSES B-65165E/02 TROUBLESHOOTING AND PRINTED CIRCUIT BOARDS 4.3 OTHER COMPONENTS 4.3.1 Replacing the SPM Program ROM and Spindle Sensor Module (1) SPM type 1 and type 4 Name Specification drawing No. Remarks ROM A06B-6102-H520 9D20 series Spindle sensor module A20B-2902-0620 F
  • Page 2324. HOW TO REPLACE THE FUSES AND PRINTED CIRCUIT BOARDS TROUBLESHOOTING B-65165E/02 Name Specification drawing No. Remarks ROM A06B-6072-H500 9D0A series Spindle sensor module See the above table. MD4, 5, 6 MD4 MD6 Spindle sensor module × 3 MD5 ROM MG11 Control printed circuit board (A16B-2202-0430 t
  • Page 2334. HOW TO REPLACE THE FUSES B-65165E/02 TROUBLESHOOTING AND PRINTED CIRCUIT BOARDS (5) SPMC-15 to 26 Name Specification drawing No. Remarks ROM A06B-6082-H512 9D12 series ROM A06B-6082-H511 9D11 series ROM A06B-6082-H511 9D10 series D8 ROM Control printed circuit board (A06B-2202-0840) (6) SPM type
  • Page 234III. MOTOR MAINTENANC
  • Page 2351. AC SERVO MOTOR B-65165E/02 MOTOR MAINTENANCE MAINTENANCE 1 AC SERVO MOTOR MAINTENANCE Generally, AC servo motors have no parts that wear off or that must be replaced periodically, unlike DC servo motors, which have brushes that must be replaced periodically. However, you should perform periodic m
  • Page 2361. AC SERVO MOTOR MAINTENANCE TROUBLESHOOTING B-65165E/02 1.1 RECEIVING AND KEEPING AC SERVO MOTORS When you receive an AC servo motor, make sure that: • The motor is exactly the one you ordered, in terms of model, shaft, and detector specifications. • No damage has been caused on the motor. Because
  • Page 2371. AC SERVO MOTOR B-65165E/02 MOTOR MAINTENANCE MAINTENANCE 1.2 DAILY INSPECTION OF AC SERVO MOTORS Before starting operation, or periodically (once a week or month), you should inspect the AC servo motors in terms of the following: (1) Vibration and noise Check the motor for abnormal vibration (by
  • Page 2381. AC SERVO MOTOR MAINTENANCE TROUBLESHOOTING B-65165E/02 (3) Stains and smudges Check the motor surface and bolt holes for oil or cutting fluid. Wipe off oil and cutting fluid on the motor surface periodically. Oil or cutting fluid can damage the coating by chemical reaction, possibly leading to a
  • Page 2391. AC SERVO MOTOR B-65165E/02 MOTOR MAINTENANCE MAINTENANCE 1.3 PERIODIC INSPECTION OF AC SERVO MOTORS We recommend that you inspect the AC servo motors for the following items at least once a year. (1) Observation of torque command (TCMD) and speed command (VCMD) waveforms Observe normal voltage wa
  • Page 2401. AC SERVO MOTOR MAINTENANCE TROUBLESHOOTING B-65165E/02 Increased friction Reduced efficiency [Table 1] Current Models value α1/3000, α2/2000, α2/3000 12Ap αM2/3000, αM2.5/3000, αC3/2000, αC6/2000, αC12/2000, 20Ap α3/3000HV, α6/3000HV α3/3000, α6/2000, α12/2000, α22/1500, αC22/1500, 40Ap α12/3000H
  • Page 2411. AC SERVO MOTOR B-65165E/02 MOTOR MAINTENANCE MAINTENANCE <3> The current waveform has ripple or jumps when the motor is not rotating. Ripple Measured waveform 0 If you find anything unusual in relation to the above items, contact your FANUC service staff. - 215 -
  • Page 2421. AC SERVO MOTOR MAINTENANCE TROUBLESHOOTING B-65165E/02 1.4 REPLACING THE PULSE CODER This section explains how to replace the pulse coder and motor cover, assuming that the pulse coder has broken down and is in need of immediate replacement. When replacing the pulse coder and motor cover, be care
  • Page 2431. AC SERVO MOTOR B-65165E/02 MOTOR MAINTENANCE MAINTENANCE <3> Set a new pulse coder and a new Oldham’s coupling in the motor. Place the Oldham’s coupling with the correct orientation, and engage the teeth. Oldham’s coupling Mate coupling of the Oldham’s coupling <4> Fasten the pulse coder with the
  • Page 2441. AC SERVO MOTOR MAINTENANCE TROUBLESHOOTING B-65165E/02 (2) Models α3 to α40, αM6 to αM40, αL, αC, α3HV to α30HV, αM6HV to αM30HV <1> Loosen the bolts that retain the red motor cover to remove the cover. Check whether the pulse coder is of the cable separation type (the pulse coder cable can be de
  • Page 2451. AC SERVO MOTOR B-65165E/02 MOTOR MAINTENANCE MAINTENANCE <2>-1 (Cable separation type) (a) Remove the cable of the pulse coder by using a screwdriver. <1> <2> Cover <3> Cover (b) Remove the four M4 hexagonal socket head bolts that retain the pulse coder. Do not loosen the M3 bolts that retain the
  • Page 2461. AC SERVO MOTOR MAINTENANCE TROUBLESHOOTING B-65165E/02 (f) Replace the packing on the motor cover mounting surface. Reusing old packing cannot provide sufficient sealing performance. Whenever taking off the motor cover, be sure to replace the packing. (g) Connect the cable of the pulse coder. (h)
  • Page 2471. AC SERVO MOTOR B-65165E/02 MOTOR MAINTENANCE MAINTENANCE (e) Set a new pulse coder and new Oldham’s coupling in the motor. Although the mounting orientation is not specified in particular, it is recommended that the pulse coder be set with the same orientation as before the replacement. This is b
  • Page 2481. AC SERVO MOTOR MAINTENANCE TROUBLESHOOTING B-65165E/02 (3) Models α65 to α150 <1> Loosen the bolts that retain the red motor cover to remove the cover. Check whether the pulse coder is of the cable separation type (the pulse coder cable can be detached from the red cover of the pulse coder) or of
  • Page 2491. AC SERVO MOTOR B-65165E/02 MOTOR MAINTENANCE MAINTENANCE (d) Set a new pulse coder and new Oldham’s coupling in the motor. Although the mounting orientation is not specified in particular, it is recommended that the pulse coder be set with the same orientation as before the replacement. This is b
  • Page 2501. AC SERVO MOTOR MAINTENANCE TROUBLESHOOTING B-65165E/02 (g) Replace the packing on the motor cover mounting surface. Reusing old packing cannot provide sufficient sealing performance. Whenever taking off the motor cover, be sure to replace the packing. (h) Install the connector in the cover in the
  • Page 2511. AC SERVO MOTOR B-65165E/02 MOTOR MAINTENANCE MAINTENANCE 1.5 SPECIFICATION NUMBERS OF REPLACEMENT PARTS The following lists the ordering specification numbers for maintenance: (1) Ordering specifications of pulse coders <1> Ordering specifications of pulse coders with no motor cover  Models α1 t
  • Page 2521. AC SERVO MOTOR MAINTENANCE TROUBLESHOOTING B-65165E/02 (2) Ordering specifications of motor covers A290-0121-X035 : α3 to α6, αM6 to αM9, αL6 to αL9, αC3 to αC6, α3HV to α6HV, αM6HV to αM9HV A290-0141-X035 : α12 to α40, αM22 to αM40, αL25 to αL50, αC12 to αC22, α12HV to α30HV, αM22HV to αM30HV (3
  • Page 2532. SPINDLE MOTOR B-65165E/02 MOTOR MAINTENANCE MAINTENANCE 2 SPINDLE MOTOR MAINTENANCE - 227 -
  • Page 2542. SPINDLE MOTOR MAINTENANCE TROUBLESHOOTING B-65165E/02 2.1 PREVENTIVE MAINTENANCE To maintain the original performance and reliability of the spindle motor for a long time, it is necessary to inspect them as described below. (1) Visual inspection WARNING Be careful not to be struck by electric sho
  • Page 2552. SPINDLE MOTOR B-65165E/02 MOTOR MAINTENANCE MAINTENANCE (2) Checking the insulation between the winding and frame Use a megohmmeter to measure the insulation resistance on 500 VDC. From the measurement result, determine whether the insulation is acceptable or not according to the following criter
  • Page 2562. SPINDLE MOTOR MAINTENANCE TROUBLESHOOTING B-65165E/02 (3) Check items for the coolant through spindle motor αT series and αL series <1> Check whether coolant is always leaking out from the drains or notch of the rotary joint support housing. (See Fig. 2.) <2> Check whether the vibration accelerat
  • Page 2572. SPINDLE MOTOR B-65165E/02 MOTOR MAINTENANCE MAINTENANCE Motor body Rotary joint support housing Pickup Drain Vibrometer Notch Spare drain Fig. 2 Rotary joint support housing Fig. 3 Measuring vibration acceleration Convex type Concave type d φ φ Coolant joint Fig. 4 Example of a coolant joint - 23
  • Page 2582. SPINDLE MOTOR MAINTENANCE TROUBLESHOOTING B-65165E/02 2.2 MAINTENANCE PARTS (1) Parts of the terminal box (α, αP, αC, and αHV series) Terminal box assembly Model When the motor drawing No. ends When the motor drawing No. Lid of terminal box   with B 0 or B 9 (Note 1)  ends with B 3 (Note 1)
  • Page 2592. SPINDLE MOTOR B-65165E/02 MOTOR MAINTENANCE MAINTENANCE (2) Terminal box drawing numbers (αT series) Model name Motor drawing No.(Note 4) Terminal box assembly Lid of terminal box αT1.5/15000 A06B-0871-B927 αT2/15000 A06B-0869-B927 A290-0853-T408 A290-0853-V410 αT3/12000 A06B-0853-B927 αT6/12000
  • Page 2602. SPINDLE MOTOR MAINTENANCE TROUBLESHOOTING B-65165E/02 (3) Fan motor parts (α, αP, αC, and αHV series) Model Fan cover Fan motor Air flow direction α1, α1.5 A290-0850-T500(Note 5) A90L-0001-0491/R Backward αC1, αC1.5 A290-0850-T501(Note 5) A90L-0001-0491/F Forward α2, α3 A90L-0001-0442/R Backward
  • Page 2612. SPINDLE MOTOR B-65165E/02 MOTOR MAINTENANCE MAINTENANCE (4) Fan motor parts (αT series) Motor drawing Model name Fan cover Fan motor Fan base No.(Note 9) αT1.5/15000 A06B-0871-B927 A290-0850-T504(Note 8) A90L-0001-0491/RL αT2/15000 A06B-0869-B927 A290-0853-X501 A90L-0001-0442/RL A290-0853-X507 αT
  • Page 2622. SPINDLE MOTOR MAINTENANCE TROUBLESHOOTING B-65165E/02 2.3 PERMISSIBLE RADIAL LOAD Use motor output axes under the permissible radial load listed below or less: Permissible radial load Model Center of output Output axis end axis 〈0.5 294 N (30 kgf) 323 N (33 kgf) α1, αC1 392 N (40 kgf) 441 N (45 k
  • Page 263B-65165E/02 INDEX INDEX α (HV) series power supply modules 9 Alarm code 12 150, 171 α (HV) series spindle amplifier module (SPM-HV) 30 Alarm code 13 151 α Series and α (HV) Series Spindle Amplifier Module 144 Alarm code 15 151 α series power supply modules 7 Alarm code 16 121, 151 α series spindle a
  • Page 264INDEX B-65165E/02 Alarm Code 5 174 Checking The Feedback Signal Waveform 58 Alarm code 5 126 Checking The Power Supply Voltages 35 Alarm code 50 167 Checking The STATUS Display 46 Alarm code 51 167 Checking The Status Leds 36 Alarm code 54 168 Checking The Voltage And Capacity Of The Power 25 Alarm
  • Page 265B-81224EN/01 INDEX HOW TO REPLACE THE FUSES AND PRINTED Power Supply Module (PSMV) 119 CIRCUIT BOARDS 175 POWER-FAILURE BACKUP MODULE 173 Power-Failure Backup Module 22, 202 [I] PREVENTIVE MAINTENANCE 228 INITIALIZING SERVO PARAMETERS 31 Principles in outputting the internal data of the serial spind
  • Page 266INDEX B-65165E/02 START-UP PROCEDURE 23 START-UP PROCEDURE (OVERVIEW) 24 STATUS Display 50 Status Error Indication Function 55 [T] The motor does not turn. 52 The PIL LED (power ON indicator) Is Off. 38 The PIL LED (power-on indicator) is off. 51 The STATUS display is blinking with "--." 51 TROUBLES
  • Page 267Revision Record FANUC SERVO MOTOR α series MAINTENANCE MANUAL (B-65165E) 02 Jun., 2000 Total Revision 01 Apr., 1994 Edition Date Contents Edition Date Contents
  • Page 268EUROPEAN HEADQUARTERS – BELGIUM / NETHERLANDS GRAND-DUCHÉ DE LUXEMBOURG GE Fanuc Automation Europe S.A. GE Fanuc Automation Europe S.A. - Netherlands Branch - Zone Industrielle Postbus 7230 - NL-4800 GE Breda L-6468 Echternach Minervum 1603A - NL-4817 ZL Breda (+352) 727979 - 1 (+31) 76-5783 201 (CN
  • Page 269Printed at GE Fanuc Automation S.A. , Luxembourg June 200
  • Page 270TECHNICAL REPORT (MANUAL) NO. TMS 01/003E Date: Mar 23, 2001 General Manager of Servo Laboratory Addition of alarms for α series spindle amplifier 1. Communicate this report to: Your information GE Fanuc-N, GE Fanuc-E FANUC Robotics CINCINNATI MILACRON Machine tool builder Sales agency End user 2. S
  • Page 271Addition of alarms for α series spindle amplifier 1. Type of applied documents Name FANUC SERVO MOTOR α series Maintenance manual Spec. No./Ver. B-65165E/02 2. Summary of Change New, Add Applicable Group Name / Outline Correct, Del Date Basic Function Optional Function Unit Maintenance Parts Notice
  • Page 272Addition of alarms for α series spindle amplifier 1. Outline This manual describes the additional alarms of α series spindle amplifier for spindle software 9D20/J (10) or later. 2. Contents of additional alarms Display on CNC Display on SPM Description 0 15 15i 16i/16 (alarm code) 409 OT399 SP0062 7
  • Page 2732 Alarm code 66 [Meaning] The communication between spindle amplifiers is abnormal. [Cause and troubleshooting] (a) The communication cable between spindle amplifiers (connector:JX4) is faulty. Replace the cable. (b) The connection of communication cable between spindle amplifiers is incorrect. Conn
  • Page 2744 Alarm code 74 [Meaning] The CPU operation is faulty. [Cause and troubleshooting] The control printed circuit board in the spindle amplifier is faulty. Replace the control printed circuit board in the spindle amplifier or the spindle amplifier. 5 Alarm code 75 [Meaning] Error is detected in the CRC
  • Page 275PERIODIC MAINTENANCE OF BATTERY FOR THE ABSOLUTE PULSECODER 1.Type of applied technical documents Name PERIODIC MAINTENANCE OF BATTERY FOR THE ABSOLUTE PULSECODER Spec.No./Ver. B-65165E/02 2.Summary of change Group Name / Outline New,Add Applicable Correct,Del Date Basic Function Optional Function U
  • Page 276PERIODIC MAINTENANCE OF BATTERY FOR THE ABSOLUTE PULSECODER 1. BATTERY FOR THE ABSOLUTE PULSECODER When the interface with the CNC is type B or FSSB, the battery for the absolute pulse coder is required for absolute-position detection. The battery for the absolute pulse coder is installed in the fol
  • Page 2772. Installing a Special Lithium Battery in the SVM (Method 1) A special lithium battery (A06B-6114-K504) can be installed in the SVM (see the figure below). [Installation procedure] (1) Remove the battery cover from the SVM. (2) Install the battery in the SVM as shown in the figure below. (3) Instal
  • Page 2783.Using a Battery Case (A06B-6050-K060) (Method 2) Details of connection of the battery unit to the SVM Battery Unit SVM ＋6V CX5X, CX5Y (2) OV CX5X, CX5Y (1) 2 Two wires of 0.3mm Screw terminal: M3 Housing : 1L-L2S-S3L-B(N) Crimp terminal:1.25-4 Contact : 1L-C2-1-00001 Manufacturer : Japan Aviation
  • Page 2794.Connecting a Battery to Multiple SVMs There are two methods for connecting a battery to more than one SVM. (1) Connecting a battery installed in one SVM to other SVMs (2) Connecting a separate battery unit to SVMs The following connector kit is provided for preparing cables: Drawing No. Manufactur
  • Page 280(1) Connecting a battery installed in one SVM to other SVMs SVM SVM CX5X CX5X CX5Y CX5Y Battery contained No battery (2) Connecting a separate battery unit to SVMs SVM SVM Battery Unit A06B-6050-K060 CX5X CX5X CX5Y CX5Y Battery contained No battery No battery Cable between the battery and amplifier
  • Page 281Details of connection between SVMs SVM SVM CX5X, CX5Y (2) CX5X, CX5Y (2) CX5X, CX5Y (1) CX5X, CX5Y (1) 2 Two wires of 0.3mm Housing :1L-L2S-S3L-B(N) Housing :1L-L2S-S3L-B(N) Contact :1L-C2-1-00001 Contact :1L-C2-1-00001 Manufacturer: Japan Aviation Manufacturer: Japan Aviation Electronics Industry,
  • Page 2825.Replacing the Battery The Pulsecoder for the α series servo motor is not incorporated with a backup capacitor as standard. To keep the absolute position information in the absolute Pulsecoder, you need to keep the control power turned on during battery replacement. Follow the procedure explained b
  • Page 2836.Attaching and Detaching Connectors (1) Attaching connectors Check the attachment <1> position. Plug the cable <2> connector while 10 degrees or less raising it slightly. Here, the angle of the cable connector to the <5> horizontal must be 5 5 degrees or less degrees or less. After passing the lock
  • Page 284(2)Detaching the connector <1> Hold both the sides of the cable insulator and the cable, and pull them horizontally. <2> Pull out the cable side while raising it slightly. 10 degrees or less <3> Here, the angle of the cable to the horizontal must be 5 degrees or less. 5 degrees or less PERIODIC MAIN