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Error code C-0348 for Bizhub Press 1250 1250P 1052 Bizhub Pro 951

by sherlyn planas on January 11, 2024
Code: C-0348
Classification: PF: Fan abnormality
Cause: 
1st tandem PF-703/706 paper feed assist fan /Fr2 (FM5:PF-703, FM3: PF-706) rotation abnormality.
The FM5 EM and FM3 EM error detection signals are detected twice in succession within a specified period of time after FM5 and FM3 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:
  • Paper feed assist fan /Fr2 (FM5: PF-703)
  • Paper feed assist fan /Fr2 (FM3: 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: 10-F, PF-706: 7-C).
  3. Replace FM5: PF-703                                                                                    Replace FM3: PF-706                                                                       
  4. Replace PFUDB
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