Mitsubishi Electric QS001CPU User Manual page 113

12
TROUBLESHOOTING
Check the sum of internal current
consumptions of the modules that
comprise the system.
rated output current of the power
Hardware fault
Hardware error of a module other
Execute operation checks in due than the power supply module and
order, starting with the minimum base unit
Install modules to the base unit one
system.
by one and execute operation checks
For the module that does not
in due order.
operate, please contact your local
If the module will not work,
Mitsubishi service center or
please consult your local
representative, explaining a detailed
Mitsubishi representative,
description of the problem.
explaining a detailed
description of the problem.
(From previous page)
Does the
total current exceed the Yes
supply module?
No
Figure 12.3 Flowchart for when the "POWER" LED is off
12.2.3 Flowchart for when the "POWER" LED turns off
Reexamine the system configuration
to make the total current less than
the rated output current of the power
supply module
12.2 Troubleshooting Flowchart
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