Flowchart For When Output Module Led Does Not Turn On - Mitsubishi Q01CPU User Manual

12
TROUBLESHOOTING

12.2.13 Flowchart for when output module LED does not turn on

The following shows the flowchart for when the output module LED does not turn on
during programmable controller
Basic
Note12.10
Note10
Basic
Note12.10
12
- 18 12.2 Troubleshooting
12.2.13 Flowchart for when output module LED does not turn on
The output module LED
has not turned on
Is the "MODE"
Note12.10
LED on?
YES
Is the LED on when the
output module is monitored
on GX Developer?
YES
Check the input/output number on
the GX Developer system monitor.
Does the output
number match?
YES
Does the LED turn
on when another output
module is forcibly
turned on?
YES
Does the
LED turn on when
the output module is changed for
another output module,
which is then forcibly
turned on?
YES
Output module hardware fault.
Please consult your local nearest
Mitsubishi or representative,
explaining a detailed description of
the problem.
Diagram 12.10 Flowchart for when output module LED does not turn on
The Basic model QCPU does not have the "MODE" LED. In the flowchart, proceed to "YES".
operation.Note10
NO
(Flickering)
Section 12.2.4
Section 12.2.4 "Flowchart for
when the "MODE" LED is
flickering."
NO
Reexamine the program.
NO
Change the output number.
NO
CPU module, base unit, extension
cable hardware fault.
NO
Please consult your local Mitsubishi
service center or representative,
explaining a detailed description of
the problem.