Yaskawa FSP Amplifier - Manual (Page 286)

FSP Amplifier User’s Manual Chapter 9: Inspection, Maintenance, and Troubleshooting
9-21
„ A.82: Encoder Checksum Error
Display and Outputs
Alarm Outputs
Alarm Code Output
ALO1 ALO2 ALO3
ALM Output
OFF OFF OFF OFF
Note: OFF: Output transistor is OFF (alarm state).
Status and Remedy for Alarm
When the sensing
(SEN) signal is ON
and parameter
Pn002.2 = 0 or 2.
A, B A
A, B
During servomotor
operation.
At power ON.
Cause of the Problem Solution
A
Error during encoder memory
check.
• Follow absolute encoder setup
procedure.
• Replace servomotor if error occurs
frequently.
B Defective circuit board (1PWB). Replace servo amplifier.