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6 INSPECTION AND MAINTENANCE
(a) Flowchart for when "POWER" LED turns off
The following shows the flowchart for when "POWER" LED 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?
The supply voltage should be within
the rated range.
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?
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