Ricoh IM 550F

6.Troubleshooting
597
Service Call 900-998
SC900 (Engine: Others)
SC No.
Type
Error Name/Error Condition/Major Cause/Solution
SC940-
81
D
Load SW overcurrent detection
Current limiting to the load SW has been detected.
Shortcircuit of the following harnesses
• The harness between BiCU (PCB16) and optional counter interface board
• The harness between optional counter interface board and optional counter
device
Disconnect CN112 of the BiCU (PCB16) and turn on the machine.
• If SC940-81 does not occur, there is a short circuit in the harnesses, optional
counter interface board or the optional counter device. Replace the harness,
optional counter interface board or the optional counter device.
• If SC940-81 occurs, there may be a short circuit in the BiCU (PCB16).
Replace the BiCU (PCB16).
SC No.
Type
Error Name/Error Condition/Major Cause/Solution
SC995-
01
D
CPM setting error 1
Comparison of machine serial number (11 digits) and machine identification code.
Details:
• Machine serial number cannot be identified because of BiCU (PCB16)
replacement or malfunctioning.
• Machine serial number cannot be identified because of NV-RAM
replacement.
Machine serial number (11 digits) or machine identification code does not match.
1. Enter the machine serial number using SP5-811 (MachineSerial), and then
turn the main power ON/OFF.
2. Attach the NV-RAM that was installed previously.
SC No.
Type
Error Name/Error Condition/Major Cause/Solution
SC995-
02
D
CPM setting error 2
Comparison of machine serial number (11 digits) and machine identification code.
Details:
Machine serial number cannot be identified because of NV-RAM replacement or
malfunctioning.
Machine serial number (11 digits) or machine identification code does not match.
• Attach the NV-RAM that was installed previously.