Code: C-0370
Classification: PF: Fan abnormality
Cause:2nd tandem PF-703/706 paper feed assist fan /Fr1 (FM1) power abnormality.
The FM1EM error detection signal is detected twice in succession within a period of time after FM1 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 /Fr1 (FM1: PF-703/706)
- 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: 6-F, PF-706: 4-C).
- Replace FM1 and PFUDB.