Error code C-0231 for Bizhub Press 1250 1250P 1052 Bizhub Pro 951

Code: C-0231
 Classification: PF: Tray5
Cause: 
The locking of the paper lift motor /3 of the 1st tandem PF-703/706 lower tray (M9: PF-703, M44: PF-706) is detected.
When M9 and M44 are ON, error detection signals of M9 and M44 are detected.
           
Measures to take when alert occurs:                                                              
The main body and the option stop immediately.   
                                            
Estimated abnormal parts:
  • Paper lift motor /3 (M9: PF-703)
  • Paper lift motor /3 (M44: PF-706)
  • PF drive board (PFUDB: PF-703/706)
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 motor, and repair it if any abnormality.
  2. Check the I/O drive of the motor and the coupling of the gear, and repair/replace it if any abnormality. (Wiring diagram: PF-706: 9-C, PF-703: 19-F).
  3. Replace M44: PF-706 or M9: PF-703 
  4. Replace PFUDB
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