Error code C-1133 for Bizhub Press 1250 1250P 1052 Bizhub Pro 951

Code: C-1133
Classification: ZU: ZU-608 abnormality
Cause:
The punch shift home sensor (PS605) does not turn ON even after a specified period of time after the punch shift motor (M605) starts the home position search operation.
   
Measures to take when alert occurs:
The main body and the option stop immediately.                                                 
Estimated abnormal parts:
  • ZU control board (ZUCB)
  • Punch shift motor (M605)
  • Punch shift home sensor (PS605)
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 ZUCB and motor/sensor, and repair it if any abnormality.
  2. Check the I/O drive of the motor and the coupling of the gear, and repair/replace it if any abnormality. (Wiring diagram: ZU-608: 1-B)
  3. Check I/O and the operation of the sensor, and repair/replace it if any abnormality. (Wiring diagram: ZU-608: 4-B).
  4. Replace PS605.
  5. Replace M605.
  6. Replace ZUCB. 
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