When Output Load Device Of Output Module Does Not Turn On; When Operation Is Not Normal Due To Script File Execution - Mitsubishi MELSEC-Q Series User Manual

18
TROUBLESHOOTING

18.2.12 When output load device of output module does not turn on

The following flowchart shows procedures to be taken when the output load device of the
output module does not turn on during operation of the C Controller system.

18.2.13 When operation is not normal due to script file execution

The following procedures disable the script file execution if the C Controller module does
not operate normally due to execution of the user program registered to the script file.
The output load does not turn on.
Is the output LED of
the output module lit?
Yes
Is for the power voltage for
the load applied?
Yes
Is the supply
voltage being output
between respective output COM
terminals of the output
module?
Yes
Output module failure
Replace the output module.
When the
maximum number of
outputs turns on simultaneously,
is the rush current within the
specified range?
Yes
Check and correct the wiring and
load.
Figure 18.11 When output load device of output module does not turn on
18.2.12 When output load device of output module does not turn on
No
Section 18.2.11
Section 18.2.11
No
Check the power supply load wire
and recover the power supply.
No
Check the load wire and load,
and recover the power supply.
Change the output relay number and
No
let the load maximum simultaneous
on current to within the specification.
18.2 Troubleshooting
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