
FANUC SERVO AMPLIFIER βi series I/O Link Option
Modification from I/O Link β
EDIT
DRAW. NO. CUST
TITLE
DESCRIPTION
DESIG.
DATE
A-79487E
16
23
01
04.03.15
SHEET
Newly designed
No. LED display
Description
Countermeasure
Inverter IPM Alarm has been
issued.
416
(1) Check whether the cooling fan is not stopped.
(2) Check whether the motor is used within related current.
(3) Check whether the temperature in locker is higher. Check the
fin or filter in locker.
(4) Check whether the temperature is higher around the servo
amplifier unit.
(5) Disconnect the power line from the servo amplifier unit connector.
Then, release the emergency stop state.
- If the IPM alarm continues to be issued, replace the servo
amplifier unit.
- If no IPM alarm is issued, go to (6).
(6) Disconnect the power line from the servo amplifier unit connector.
Then, check the insulation between the ground and each of U, V,
and W.
- If the insulation is satisfactory replace the servo amplifier unit.
- If the insulation is not satisfactory, go to (7).
(7) Disconnect the power line from the servo motor. Then check the
insulation.
- If the insulation of servo motor is not satisfactory, replace the
servo motor
- If the insulation of power line is not satisfactory, replace the
servo amplifier unit.
A parameter has been specified
incorrectly.
417
Check the following parameters:
•
When the both No.030 and No.125 are set for motor ID number,
this alarm is issued.it is necessary to set motor ID number on
No.125 and to set 0 on No.030.
•
No.031: the parameter for direction of rotate is not selected in
“111” or “–111”.
•
No.106: Is the denominator of the number of pulses per single
revolution of the motor 0?
•
No.107: Is this parameter too large?
•
No.179: Is this parameter out of range (8388607 lower or equal)?
•
Is the following condition satisfied?
condition : No.107/(No.105orNo.179)<0.488
•
No.180: Is the specified reference counter capacity 0 or a negative
value?