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

Code: C-0143
 Classification: PI-PFU: Power abnormality
Cause: 
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)
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 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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