Omron CQM1H - PROGRAM

507
Troubleshooting Flowcharts Section 8-7
Fatal Error Check The following flowchart can be used to troubleshoot fatal errors that occur
while the Power indicator is lit.
Identify the error
eliminate its cause, and clear
the error.
Is the ERR/ALM
indicator lit?
Determine the cause
of the error with a
Peripheral Device.
End
RUN indicator not lit.
Replace the CPU
Unit.
Correct the power
supply.
No
Ye s
Is a fatal error
displayed?
Is PC mode displayed
on Peripheral Device?
No
Ye s
Ye s
No
Is the RUN indi-
cator lit?
No
Ye s
Ye s
No
Is PC mode displayed
on Peripheral Device?
Switch to RUN or
MONITOR mode.
(see page 503)