SC No. Type Error Name/Error Condition/Major Cause/Solution
• CPU reset by software
• CPU reset by anomaly CPU
• CPU reset by hardware defect / noise
• Hardware defect
Engine board reset unexpectedly.
Refer to page 1066 "When SC670 (Engine start up error) is displayed"
SC No. Type Error Name/Error Condition/Major Cause/Solution
SC670-03 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 1066 "When SC670 (Engine start up error) is displayed"
SC No. Type Error Name/Error Condition/Major Cause/Solution
SC670-04 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 1066 "When SC670 (Engine start up error) is displayed"
SC No. Type Error Name/Error Condition/Major Cause/Solution
SC672-10 D Controller start up error
After the machine was powered on, communication between the
controller and the operation panel was not established.
6. Troubleshooting
966
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