Fanuc · Series 30i/31i/32i-MODEL B Plus
This alarm indicates that the internal cooling fan of the Inverter (Servo Amplifier) has stopped operating. This can lead to overheating of the amplifier components and potential damage if not addressed.
Click steps to track your progress.
Check for any foreign material in the internal cooling fan.
Ensure the faceplate (control printed-circuit board) is pushed in as far as it will go.
Check that the internal cooling fan connector is attached correctly.
Replace the internal cooling fan.
Replace the Servo Amplifier if the fan and board seating checks do not resolve the issue.