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9.2 Troubleshooting
9 -5
9.2 Troubleshooting
This section describes causes and remedies for problems which cause an alarm display and for prob-
lems which result in no alarm display.
9.2.1 Troubleshooting Problems with Alarm Displays
Problems that occur in the Servodrives are displayed on the panel operator as“A.
jj
” or “CPF-
jj
”. “A.-- --”, however, does not indicate an alarm. Refer to the following sections to identify
the cause of an alarm and the action to be taken.
Contact your Yaskawa representative if the problem cannot be solved by the described proce-
dures.
J
J
A.02
A.02: User Constants Breakdown
Display and Outputs
Alarm Outputs
Alarm Code Outputs
ALM
Output
ALO1
ALO2
ALO3
Output
OFF
OFF
OFF
OFF
Note
OFF: Output transistor is OFF (alarm state).
Status and Remedy for Alarm
A, B
At power ON
Cause
Remedy
A
Power turned OFF during parameter write.
Alarm occurred at next power ON.
S
Initialize user constants using Fn005 and
reinput user settings.
S
Replace Servopack.
B
Circuit board (1PWB) defective.
Replace Servopack.
9
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