Sc900 (Controller) - Ricoh MP C2504 Field Service Manual

6. Troubleshooting

SC900 (Controller)

SC No.
SC900-00
SC No.
SC910-01
SC910-02
SC910-03
960
Type Error Name/Error Condition/Major Cause/Solution
A Electric counter error
The electric total counter value is out of specification.
Error is detected when increasing the total counter.
• Unexpected NV-RAM is attached.
• NV-RAM defective
• NV-RAM data corrupted.
• Data written to unexpected area because of external factor etc.
• The count requested by the SRM on receiving PRT is not completed.
Replace the NV-RAM.
Type Error Name/Error Condition/Major Cause/Solution
C External controller error 1
C External controller error 2
C External controller error 3
-01
The external controller receives the unexpected command from the
engine side.
-02
The external controller wrongly receives the command from the engine
side.
-03
The external controller receives the engine status out of specification.
Refer to the instructions for the external controller
Turn the main power OFF/ON.