FAN MOTOR STOP
Fanuc · Series 0i-D/0i Mate-D Maintenance
What does OH0701 mean?
This Fanuc Series 0i-D/0i Mate-D overheat alarm indicates an abnormality with a PCB cooling fan motor, typically meaning the fan has stopped. This can lead to overheating of the associated printed circuit board.
Common Causes
- Failure of the PCB cooling fan motor.
- Obstruction (e.g., dust, debris) preventing the fan from rotating.
- Loose or damaged electrical connection to the fan motor.
- Power supply issue to the fan motor.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Visually inspect the PCB cooling fan for any physical damage, dust accumulation, or obstructions preventing its rotation.
- 2
Check the electrical connections to the fan motor for looseness, damage, or corrosion.
- 3
Verify the fan's operation during power-on; listen for unusual noises or a complete lack of movement.
- 4
If the fan is confirmed to be faulty or non-operational, replace the PCB cooling fan unit.
- 5
Ensure that the replacement fan matches the specifications (voltage, airflow, size) of the original.