- Coupling conveyance motor /1 (M4: PF-703)
- PF drive board (PFUDB: PF-703)
Solution:
- Check the connector connection and the wiring between PFUDB and the motor, and repair it if any abnormality.
- Check the I/O drive of the motor and the coupling of the gear, repair/ replace it if any abnormality and then replace the PFUDB (Wiring diagram: PF-703: 20-L).
- Replace M4 and PFUDB at a time.
