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Sigma II User's Manual
n
A.84
A.84: Absolute Encoder Data Error
Display and Outputs
A
Malfunctioning absolute encoder.
Operational error in encoder caused
B
by external noise
Alarm Outputs
Alarm Code Output
ALO1
ALO2
OFF
OFF
Note:
OFF:
Output transistor is OFF (alarm state).
Status and Remedy for Alarm
At power ON.
Cause of the Problem
Chapter 9: Inspection, Maintenance, and Troubleshooting
ALM Output
ALO3
OFF
OFF
During servomotor
A
operation.
Solution
Replace servomotor if error occurs
frequently.
Check and correct wiring around the
encoder, (grounding of servomotor,
separation of encoder and power
cables, insertion of rotoidal cores
onto cables to reduce noise, etc.)
9-22
B
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