Fanuc · Alpha i Series Servo Amplifier
The digital servo software detected abnormal data on the separate detector, specifically related to its phase. This is a software-detected issue with the external detector's feedback.
Click steps to track your progress.
Clean the external detector's sensing surface thoroughly.
Measure phase signal quality from the external detector output.
Verify correct mounting and alignment of the external detector.
Check servo parameter P1-05 (Encoder Software Filter) settings.
Inspect external detector for any signs of wear or contamination.