Fanuc · Alpha i Series Servo Amplifier
The amount of positional deviation overflowed, making it impossible to obtain the correct machine position. This indicates an issue with position monitoring.
Click steps to track your progress.
Measure actual positional feedback from APC and compare to commanded position.
Inspect drive train for excessive backlash.
Ensure APC encoder resolution is appropriate for the application.
Check CNC system limits for position accumulator size.