Mitsubishi Electric A173UHCPU User Manual page 124

5. INSPECTION AND MAINTENANCE
(5) Flowchart when ERROR indicator is lit
Follow the flowchart below if the ERROR indicator lights during operation.
ERROR indicator lit
Connect a peripheral device
Is M9008 ON?
YES
Cause of error of SCPU?
Software error
Reset with the CPU module
RUN/STOP key switch.
Set the RUN/STOP switch to
STOP.
Correct cause of error.
Set the RUN/STOP switch to
RUN.
Does
YES
ERROR indicator
light?
NO
End
NO
Hardware error
Take corrective action.
5 − 13
Cause of error of PCPU?
YES
Refer to error code table for
corrective action.
Is
YES
corrective action
available?
NO
Contact your nearest
Mitsubishi representative with
details.
NO