Error code C-0163 for Bizhub Press 1250 1250P 1052 Bizhub Pro 951

Code: C-0163
 Classification: PF: Power abnormality
2nd tandem PF-703 coupling conveyance motor /2 (M5) and coupling conveyance motor /3 (M6) power abnormality.
An error detection signal (blowout of ICP) of M5 and M6 is detected when the M5 and M6 are activated.                                                                                                                          
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: "Please call service" is displayed on the touch 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 of the motor and the coupling of the gear, 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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