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2. Faults
2-1. Power
Problems
Causes
Checks
Measures
Remarks
No power on
- Power cord cut.
- Check the voltage with tester
.
-Replace the components.
outlet.
- Faulty connector insertion.
- Check visually
.
-Reconnect the connecting parts.
- Faulty connection between plug
- Check visually
.
-Reconnect the connecting parts.
and adapter
.
Fuse blows out.
- Short circuit by wrong connection.
- Check the fuse with tester
- Find and remove the cause of
- Replace with ra
ted
- Low voltage products are
or visually
.
problem (ex. short, high voltage,
fuse after confirming
connected to high voltage.
- Check the input volt are with tester
low voltage).
its specification.
- Short circuit by insects.
(between power cord and products).
- Replace with rated fuse.
- Electricity leakage.
- Check the resistance of power cord
If fuse blowns out
- High voltage.
with tester (if it is 0
, it is shorted).
frequently
, confirm
- Short circuit of components
the cause and prevent.
(tracking due to moisture and dust
penetration).
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