18
TROUBLESHOOTING
18.2 Troubleshooting
18.2.3 When ERR LED is on/flashing
18 - 5
17
STARTING
MULTIPLE CPU
SYSTEM
18
TROUBLESHOOTING
APPENDICESINDEX
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.
Figure 18.3 When ERR. LED is on or flashing
No
Yes
Check the source, event No., and event
information on the <<Event history>> tab (
Section 9.2.5) of the C Controller
setting utility.
Referring to the Actions by Event No.
( Section 18.4.2 ), identify the
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 ( Section 18.3 ), identify
the relevant event and take corrective
actions according to the described
method.
Has error occurred?
Consult your local Mitsubishi service
center or representative, explaining the
details of the problem.
Has a script file been executed?
Has error occurred?
Yes
No
No
Yes
Completed
Error occurred
Confirm the stop/continue error that
occurred first in System information on
the <<Module monitor>> tab (
Section 9.2.5) of the C Controller setting
utility.
Check the script file and user program.
*1
( Section 10.2.8 )
Disable the script file execution.
( Section 18.2.13 )
Correct the script file/user program
Section 9.2.5
Section 9.2.3
Section 18.4.2
Section 18.3
Section 18.2.13
Section 10.2.8
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