User`s manual

6 - 15
6 INSPECTION AND MAINTENANCE
(a) Flowchart for when "POWER" LED turns off
The following shows the flowchart when "POWER" LED of the power
supply module turns off at the power supply ON or during operation.
YES
YES
"POWER" LED turns off
Is there a power supply?
Is the wiring/
terminal connection
correct?
YES
END
NO
NO
YESNO
NO
YESNO
NO
Supply power.
Does "POWER"
LED turn on?
YESNO
YES
NO
Is the power supply
module fixed?
The supply voltage should be within
the rated range.
Fix the power supply module correctly.
1)
Is the power
supply voltage within the
rated range?
YES
Connect wiring and fix terminal
connection correctly.
Does "POWER"
LED turn on?
Does "POWER"
LED turn on?
Does "POWER"
LED turn on?