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9.2 Troubleshooting
9.2.1 Troubleshooting Problems with Alarm Displays
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This section describes causes and remedies for problems which cause an alarm display and for prob-
lems which result in no alarm display.
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
ALO1
ALO2
OFF
OFF
Note OFF: Output transistor is OFF (alarm state).
Status and Remedy for Alarm
At power ON
Cause
A
Power turned OFF during parameter write.
Alarm occurred at next power ON.
B
Circuit board (1PWB) defective.
ALM
Output
Output
ALO3
OFF
OFF
A, B
S Initialize user constants using Fn005 and
reinput user settings.
S Replace Servopack.
Replace Servopack.
9 -5
9.2 Troubleshooting
Remedy
9
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