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J J A.81
A.81: Absolute Encoder Backup Error
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
Pn002.2 = 0 or 2
Pn002.2 = 1
Cause
A
The following power supplies to the absolute
encoder all failed:
S +5 V supply
S Battery power
B
Absolute encoder malfunctioned.
C
Circuit board (1PWB) defective.
ALM
Output
Output
ALO3
OFF
OFF
A, B, C
C
Follow absolute encoder set-up procedure.
Replace Servomotor.
Replace Servopack.
9 -17
9.2 Troubleshooting
Remedy
9
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