Error code C-0398 for Bizhub Press 1250 1250P 1052 Bizhub Pro 951

Code: C-0398
Classification: PI-PFU: Fan abnormality
PI-PFU (PF-703) cooling fan rotation abnormality 1.
The FM19EM and FM20EM error detection signals are detected twice in succession within a specified period of time after the PF cooling fan /1 and /2 (FM19 and FM20) were turned ON. 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:

  • PF cooling fan (FM7: PF-706)
  • PF cooling fan /1 (FM19: PF-703)
  • PF cooling fan /2 (FM20: PF-703)
  • PF drive board (PFUDB: PF-703/706)


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.                      
  1. Check the connector connection and the wiring between PFUDB and the fan, and repair it if any abnormality. 
  2. Rotate the fan by I/O or hand, and repair it if any abnormality. (Wiring diagram: (PF-703: 22-F, 23F,  PF-706: 8-H).
  3. Replace FM19 and FM20: PF-703                                                                                                                                                          PF-706: 8-H
  4. Replace PFUDB.                                                                                                                                          
Back to blog