Code: C-0393
Classification: PI-PFU: Fan abnormality
Cause:
PI-PFU (PF-703) paper feed assist fan /Fr3 (FM9) power abnormality.
The FM9EM error detection signal is detected twice in succession within a specified period of time after FM9 was turned ON. At this time, an error detection signal (blowout of ICP) is detected.
Measures to take when alert occurs:
The main body and the option stop immediately.
Estimated abnormal parts:
- Paper feed assist fan /Fr3 (FM9: PF-703)
- Paper feed assist fan /Fr3 (FM5: PF-706)
- PF drive board (PFUDB)
Correction:
Turn OFF/ON the power switch (SW2) of the main body when releasing an abnormal condition.
Note: The message "Please call service" is displayed on the panel.
Solution:
- Check the connector connection and the wiring between PFUDB and the fan, and repair it if any abnormality.
- Rotate the fan by I/O or hand, and repair it if any abnormality. (Wiring diagram: (PF-703: 18-F, PF-706: 9-C).
- Replace FM9 and PFUDB at a time: PF-703 Replace FM5 and PFUDB at a time: PF-706