Error code C-0399 for Bizhub Press 1250 1250P 1052 Bizhub Pro 951

Code: C-0399
Classification: PI-PFU: Fan abnormality
Cause:
PI-PFU (PF-703) cooling fan rotation abnormality 2.
The FM21EM error detection signal is detected twice in succession within a specified period of time after the PF cooling fan /3 (FM21) was turned ON with the front door closed. 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:

  • PF cooling fan /3 (FM21: 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:
  1. Check the connector connection and the wiring between PFUDB and the fan, and repair it if any abnormality. 
  2. Rotate the fan or I/O by hand, and repair it if any abnormality. (Wiring diagram: (PF-703: 23-F).
  3. Replace FM21 and PFUDB.                                                                                                                                                                                                                  
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