Mitsubishi Q01CPU User Manual

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12.2 Troubleshooting
12.2.4 Flowchart for when the "MODE" LED is flickering
12
TROUBLESHOOTING
12.2.4 Flowchart for when the "MODE" LED is flickering
The following shows the flowchart for when the "MODE" LED of the CPU module flickers
at programmable controller power-on, at operation start or during operation.
Diagram 12.4 Flowchart for when the "MODE" LED is flickering
The "MODE" LED is flickering.
Have the
forced ON/OFF
settings made?
Cancel forced ON/OFF.
Can "MODE" LED
turn on?
Move the RESET/L.CLR switch to the
neutral position.
Can "MODE" LED
turn on?
Completed
YES
NO
NO
NO
YES
YES
Neutral position
RESET position
Is the CPU
module RESET/L. CLR
switch in the neutral
position?
If the module will not work, please
consult your local Mitsubishi service
center or representative, explaining
a detailed description of the
problem.
Check operations in the order
starting from the minimum system.
Hardware fault
Hardware fault
Execute operation checks in due
order, starting with the minimum
system.
For the module that does not
operate, please contact your local
nearest Mitsubishi or
representative, explaining a detailed
description of the problem.
Set the RESET/L.CLR switch to the
neturarl position.

Mitsubishi Q01CPU Specifications

General

Brand	Mitsubishi
Model	Q01CPU
Category	Controller
Language	English