
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
17
23
01
04.03.15
SHEET
Newly designed
No. LED display
Description
Countermeasure
418
DO Alarm is issued.
Replace the servo amplifier unit.
423
The specified speed exceeds
32767000 detection units per
second.
Re-examine the CMR and speed
settings.
The cooling fan has stopped.
425
This alarm is issued when the fan motor built into the servo amplifier unit
has failed. The fan motor is consumable. For the explanation about its
replacement procedure, see Part 4 "Maintenance of Servo Amplifier Unit."
(1)
Check that the fan is not clogged with foreign matter.
(2)
Check that the power connector of the fan is connected properly.
(3)
Replace the fan or servo amplifier unit.
446
The external pulse input line is
disconnected.
Connect the external pulse input
signal correctly.
447
The velocity deviation is too high
(velocity control)
Check the actual velocity.
See the settings of parameter
No.136.
449
No.080 is not corrected.
(This parameter is out of range
from 0 to 8010)
Set No.080 correctly
(from 0 to 8010).
The cooling fan for inverter
radiator is stopped.
601
This alarm is issued when the fan motor for inverter radiator has failed.
The fan motor is consumable. For an explanation of the replacement
procedure, see Part 4, "Maintenance of Servo Amplifier Unit."
(1)
Check that the fan is not clogged with foreign matter.
(2)
Check that the power connector of the fan is connected properly.
(3)
Replace the fan or servo amplifier unit.