Error code C-1177 for Bizhub Press 1250 1250P 1052 Bizhub Pro 951

Code: C-1177
Classification: FS: SD-510 abnormality
Cause:
The 2nd folding knife home sensor (PS111) does not turn ON within a specified period of time after the 2nd folding knife motor (M110) turns ON.

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)
  • 2nd folding knife motor (M110)
  • 2nd folding knife home sensor (PS111)
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/sensor, 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: 5-G) 
  4. Check I/O and the operation of the sensor, and repair/replace it if any abnormality. (Wiring diagram: SD-510: 6-G)
  5. Replace PS111.
  6. Replace M110.
  7. Replace SDCB.
  8. Replace FNSCB. 
Back to blog