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Sigma II User's Manual
n
A.82
A.82: Encoder Checksum Error
Display and Outputs
Status and Remedy for Alarm
During servomotor
operation.
Error during encoder memory
A
check.
Circuit board (1PWB) defective.
B
Alarm Outputs
Alarm Code Output
ALO1
ALO2
OFF
OFF
Note:
OFF:
Output transistor is OFF (alarm state).
At power ON.
Cause of the Problem
Chapter 9: Inspection, Maintenance, and Troubleshooting
ALM Output
ALO3
OFF
OFF
When the sensing (SEN)
signal is ON and parameter
A, B
Pn002.2 = 0 or 2.
A, B
Solution
• Follow absolute encoder setup pro-
cedure.
• Replace servomotor if error occurs
frequently.
Replace servo amplifier.
9-20
A
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