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Error code C-0143 for Bizhub Press 1250 1250P 1052 Bizhub Pro 951

by sherlyn planas on December 28, 2023
Code: C-0143
 Classification: PI-PFU: Power abnormality
PI-PFU (PF-703) coupling conveyance motor /2 and /3 (M5 and M6) power abnormality.
An error detection signal (blowout of ICP) of M5 and M6 is detected when M5 and M6 are turned ON.                                                                                                                               
Measures to take when alert occurs:                                                               The main body and the option stop immediately.                                               
Estimated abnormal parts: 
  • Coupling conveyance motor /2 (M5: PF-703)
  • Coupling conveyance motor /3 (M6: PF-703)
  • PF drive board (PFUDB: PF-703)
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 motor, and repair it if any abnormality.
  2. Check the I/O drive and the coupling of the gear, and repair/replace it if any abnormality, and then replace the PFUDB (Wiring diagram: PF-703: 21-L)
  3. Replace PFUDB
  4. Replace M5, M6 and PFUDB at a time.

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