Error code C-0325 for Bizhub Press 1250 1250P 1052 Bizhub Pro 951

Code: C-0325
Classification: Main body: Fan abnormality
Cause: 
Paper feed assist fan /Fr1 (FM21) rotation abnormality.
The FM21 EM error detection signal is detected twice in succession within a specified period of time after FM21 was turned ON. However, error detection signal (24V cut off) is not detected. 
                                 
Measures to take when alert occurs:                                                            
The main body and the option stop immediately. 
        
Estimated abnormal parts:
  • Paper feed assist fan /Fr1 (FM21)
  • Printer control board (PRCB)
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 PRCB and the fan, and repair it if any abnormality.
  2. Rotate the fan or I/O by hand, and repair it if abnormality. (Wiring diagram: Main body (2/4): 18-A).
  3. Replace FM21
  4. Replace PRCB.
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