Error code C-0368 for Bizhub Press 1250 1250P 1052 Bizhub Pro 951

Code: C-0368
Classification: PF: Fan abnormality
3rd tandem PF-703 cooling fan rotation abnormality 2.
The EM error detection signal of the FM21 is detected twice in succession within a period of time after the PF cooling fan /3 (FM21) was activated with the front door closed. At this time, an error detection signal (blowout of ICP) is also detected.

Measures to take when alert occurs:
The main body and the option stop immediately.

Estimated abnormal parts:
  • PF cooling fan /3 (FM21: PF-703)
  • PF drive board (PFUDB)

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 fan, 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: 23-F).
  3. Replace FM21 and PFUDB.
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