Ricoh MP C2504 Field Service Manual page 895

6. Troubleshooting
SC No.
SC670-03
SC No.
SC670-04
SC672 SC No.
RTB 34
SC672-10
886
Type Error Name/Error Condition/Major Cause/Solution
D IPU start up error when the machine boots up
VDET_EPCI signal was not asserted when the machine was turned on.
• IPU, PSU, and/or CTL defective
• Incorrect connection between CTL and IPU.
• Harness of IPU disconnected
Refer to page 977 "When SC670 (Engine start up error) is displayed".
Type Error Name/Error Condition/Major Cause/Solution
D Communication error between the engine and controller
Communication could not linked up.
• IPU and/or CTL defective
• Incorrect connection between CTL and IPU.
Refer to page 977 "When SC670 (Engine start up error) is displayed".
Type Error Name/Error Condition/Major Cause/Solution
D Controller start up error
After the machine was powered on, communication between the
controller and the operation panel was not established.
• Controller stalled
• Board installed incorrectly
• Controller board defective
• Operation panel connector loose, broken, or defective
• Controller late
Refer to page 978 "When SC672 (Controller start up error) Is
Displayed".