9.2 Troubleshooting
9 -17
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A.81
A.81: Absolute Encoder Backup Error
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
At power ON
Pn002.2 = 0 or 2
Pn002.2 = 1
A, B, C
C
Cause
Remedy
A
The following power supplies to the absolute
encoder all failed:
S
+5 V supply
S
Battery power
Follow absolute encoder set-up procedure.
B
Absolute encoder malfunctioned.
Replace Servomotor.
C
Circuit board (1PWB) defective.
Replace Servopack.
9
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