YASKAWA MECHATROLINK Sigma 2 Series User Manual page 180

A.82
A.82: Encoder Checksum 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
During operation
Cause
A Error occurred during encoder memory
check.
B
Circuit board (1PWB) is defective.
9.1 Alarm Displays and Troubleshooting
ALM Output
ALO3
OFF OFF
At SENS_ON command
A, B
A, B
• Follow absolute encoder set-up proce-
dure.
• Replace the servomotor if the error
occurs frequently.
Replace the SERVOPACK.
9-5
B
Remedy
9