Error code C-0612 for Bizhub Press 1250 1250P 1052 Bizhub Pro 951

Code: C-0612
Classification: PF: PF power source abnormality
2nd tandem PF-703 dehumidifier fan /Lt1 (FM23) rotation abnormality.
The FM23EM error detection signal is detected twice in succession within a specified period of time after  FM23 was 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:

  • Dehumidifier fan /Lt1 (FM23: HT-505)
  • 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 fan heater, and repair it if any abnormality. 
  2. Rotate the fan or I/O by hand, and repair it if any abnormality. (Wiring diagram: PF-703: 10-C).
  3. Replace the fan heater (FM23).
  4. Replace PFUDB.          
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