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Error code C-1312 for Bizhub Press 1250 1250P 1052 Bizhub Pro 951
Code: C-1312
Classification: SD: SD-513 abnormality
Cause:
A rotation error detection signal is detected continuously for a specified period of time while the fall assist fan/Rr (FM3) is started or driving. When the fan is stopping, no abnormality or stop signal are detected.
Measures to take when alert occurs:
The main body and the option stop immediately.
Estimated abnormal parts:
Fall assist fan/Rr (FM3)
SD drive board (PCB2)
SD control board (PCB1)
Correction:
Press the help key to activate and deactivate the sub power switch (SW2) of the main body.
Note:
Faulty part isolation allows you to use the machine temporarily.
When you press help key, the messages "Please call service" and "Press [Help] to disengage" are alternately displayed .
When you press the help key, the message "Please turn on power again" is displayed.
Solution:
Check the connector connection and the wiring harness between PCB2 and the fan. Then, repair them when there is any abnormality. (Wiring diagram: SD-513 (1/2): 4-N).
Check the connector connection and the wiring harness between PCB2 and PCB1, and of there is any abnormality, repair them.
Rotate the fan or I/O by hand, and repair or replace it when there is any abnormality.