When Err Led Is On/Flashing - Mitsubishi MELSEC-Q Series User Manual

18
TROUBLESHOOTING

18.2.3 When ERR LED is on/flashing

The following flowchart shows procedure to be taken when the ERR. LED of the C
Controller module turns on or flashes at the time of power-on or startup, or during
operation of the C Controller system.
Confirm the stop/continue error that
occurred first in System information on
the <<Module monitor>> tab (
Section 9.2.5
Section 9.2.5) of the C Controller setting
utility.
Check the source, event No., and event
information on the <<Event history>> tab (
setting utility.
Referring to the Actions by Event No.
(
relevant event and take corrective actions
according to the description.
Confirm the error LED and error code
displayed in Error information on the
<<Module information>> tab of the C
Controller setting utility.
Referring to the Actions for Lit/Flashing
ERR. LED (
the relevant event and take corrective
actions according to the described
method.
Error occurred
Has a script file been executed?
No
Section 9.2.3
Section 9.2.5) of the C Controller
Section 18.4.2
Section 18.4.2 ), identify the
Section 18.3
Section 18.3 ), identify
Has error occurred?
Yes
Consult your local Mitsubishi service
center or representative, explaining the
details of the problem.
Figure 18.3 When ERR. LED is on or flashing
Yes
Check the script file and user program. *1
Section 10.2.8
( Section 10.2.8 )
Disable the script file execution.
Section 18.2.13
( Section 18.2.13 )
Correct the script file/user program
Has error occurred?
Yes
No
18.2 Troubleshooting
18.2.3 When ERR LED is on/flashing
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No
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