Error code C-1351 for Bizhub Press 1250 1250P 1052 Bizhub Pro 951

Code: C-1351
Classification: RU: RU-509 abnormality
Cause:

Error detection signals of FM/1, FM/2 and FM/3 are detected continuously for a specified period of time while the entrance paper fans/1 (FM1), /2 (FM2), /3 (FM3) are ON.

Measures to take when alert occurs:

         The main body and the option stop immediately.                                                 
Estimated abnormal parts:
  • Entrance paper fan /1 (FM1)
  • Entrance paper fan /2 (FM2)
  • Entrance paper fan /3 (FM3)
  • RU control board (RUCB)
Correction: 
        Turn OFF/ON the sub power switch (SW2) on 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 RUCB 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: RU-509: 8-F, 9-F). 
  3. Replace FM1, FM2 and FM3.
  4. Replace RUCB.
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