Code: C-0373
Classification: PF: Fan abnormality
Cause:
2nd tandem PF-703/706 paper feed assist fan /Rr1 (FM2) rotation abnormality.
The FM2EM error detection signal of FM2 is detected twice in succession within a period of time after FM2 was activated. However, an error detection signal (blowout of ICP) is not detected.
Measures to take when alert occurs:
The main body and the option stop immediately.
Estimated abnormal parts:
- Paper feed assist fan /Fr1 (FM2: PF-703)
- 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 or I/O by hand, and repair it if any abnormality. (Wiring diagram: PF-703: 6-F).
- Replace FM2 .
- Replace PFUDB.