Mitsubishi Electronics QSPCU ユーザーズマニュアル

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