Error code C-0616 for Bizhub Press 1250 1250P 1052 Bizhub Pro 951

Code: C-0616
Classification: PF: PF power source abnormality
Cause:
2nd tandem PF-703 dehumidifier fan /Lt3 (FM27) rotation abnormality.
The FM27EM error detection signal is detected twice in succession within a specified period of time after  FM27 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 /Lt3 (FM27: HT-505)
  • 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 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: 12-D).
  3. Replace the fan heater (FM27).
  4. Replace PFUDB.          
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