Code: C-0312
Classification: Main body: Fan abnormality
Cause:
Paper cooling exit fan /Lw2 (FM28) rotation abnormality.
The FM28EM error detection signal is detected twice in succession within a specified period of time after FM28 was turned ON. At this time, an error detection signal (24V cut off) is not detected.
Measures to take when alert occurs:
The main body and the option stop immediately.
Estimated abnormal parts:
- Paper exit cooling fan /Lw2 (FM28)
- Printer control board (PRCB)
- AC drive board (ACDB)
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 PRCB and the fan, and repair it if any abnormality.
- Check the connector connection and the wiring between ACDB 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: Main body (2/4): 9-A).
- Replace FM28.
- Replace PRCB.
- Replace ACDB.