Fanuc · Alpha i Series Servo Amplifier
A speed count abnormal alarm occurred on the built-in Pulsecoder. This indicates an issue with the revolution count data or speed detection from the Pulsecoder.
Click steps to track your progress.
Manually rotate the encoder and observe speed feedback on the CNC.
Inspect Pulsecoder shaft and mounting for any play or binding.
Check Pulsecoder's output signals for consistency.
Verify Pulsecoder's internal resolution settings.