Fanuc · Series 30i/31i/32i-MODEL B Plus
The cooling fan responsible for the inverter's radiator has stopped functioning. Possible causes include the fan not running, a defective fan motor connector or cable, or a failure within the Servo Amplifier. A non-operational radiator fan can lead to critical overheating.
Click steps to track your progress.
Inspect the radiator cooling fan for obstructions, debris, or physical damage.
Verify the fan motor connector and cable for secure connection and electrical continuity.
If the fan and its cabling are confirmed functional, replace the Servo Amplifier.