Yaskawa Large Capacity Sigma II Series - Manual (Page 358)

8.2 Troubleshooting
8-19
8
„ A.82
A.82: Encoder Checksum Error
Display and Outputs
Note: OFF: Output transistor is OFF (alarm state).
Status and Remedy for Alarm
Alarm Outputs
Alarm Code Outputs ALM Output
ALO1 ALO2 ALO3
OFF OFF OFF OFF
Cause Remedy
A Error during encoder memory check • Follow absolute encoder set-up procedure.
• Replace servomotor if error occurs fre-
quently.
B Circuit board (1PWB) defective. Replace SERVOPACK.
At power ON A, B
When SEN signal turned
ON; Pn002.2 = 0 or 2
A
During operation A, B