Error code C-0353 for Bizhub Press 1250 1250P 1052 Bizhub Pro 951

Code: C-0353
 Classification: PF: Fan abnormality
Cause: 
1st tandem PF-703/706 paper feed assist fan /Fr3 (FM9:PF-703, FM5: PF-706) power abnormality.
The FM9 EM and FM5 EM error detection signals are detected twice in succession within a specified period of time after FM9 and FM5 were 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 /Fr3 (FM9: PF-703)
  • Paper feed assist fan /Fr3 (FM5: PF-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:
  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: 18-F, PF-706: 9-C).
  3. Replace FM9 and PFUDB at a time: PF-703                                                  Replace FM5 and PFUDB at a time: PF-706                                                                       
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