Error code C-1174 for Bizhub Press 1250 1250P 1052 Bizhub Pro 951

Code: C-1174
Classification: FS: SD-510 abnormality
Cause:
The operation does not complete within a specified period of time after the SD saddle staple motor (M102) starts operations.

Measures to take when alert occurs:

The main body and the option stop immediately.                                                 
Estimated abnormal parts:
  • FNS control board (FNSCB)
  • SD control board (SDCB)
  • SD stapler motor (M102)
Correction:
Turn OFF/ON the sub power switch of the main body.
Note: The message "Please call service" is displayed on the panel.
                      
Solution:
  1. Check the connector connection and the wiring between SDCB and motor, and repair it if any abnormality.
  2. Check the connector connection and the wiring between FNSCB and SDCB, and repair it if any abnormality.
  3. Check the I/O drive of the motor and the coupling of the gear, and repair/replace it if any abnormality. (Wiring diagram: SD-510: 4-G) 
  4. Replace M102.
  5. Replace SDCB.
  6. Replace FNSCB. 
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