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TROUBLE DIAGNOSIS
1. TroubleShooting
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1) No power at outlet.
1. Faulty start
2) No power on cord.
3) Shorted start circuit.
No power on
power cord.
OLP is o .
No electric power on compressor. - Faulty compressor.
Faulty PTC.
4) During defrost.
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Bad connection between adapter and outlet. (faulty adapter)
The Inner diameter of adapter.
The distance between holes.
The distance between terminals.
The thickness of terminal.
Bad connection between plug and adapter (faulty plug).
The distance between pins.
Pin outer diameter.
Disconnected copper wire.
Internal electrical short.
Faulty terminal contact.
Weak connection.
Disconnected.
Short inserted cord length.
Worn out tool blade.
Capacity of OLP is small.
Characteristics of OLP is bad.
Bad connection.
Power is
Inner Ni-Cr wire blows out.
disconnected.
Bad internal connection.
Faulty terminal caulking (Cu wire is cut).
Bad soldering.
Power does not conduct. - Damage.
Bad characteristics. - Initial resistance is big.
Bad connection with
compressor.
Bad terminal connection.
Start automatic defrost.
Cycle was set at defrost when the refrigerator
was produced.
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Power cord is disconnected.
Faulty soldering.
Loose contact.
- Large distance between
male terminal.
- Thin female terminal.
Terminal disconnected.
Bad sleeve assembly.
Too loose.
Assembly is not possible.
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* Measuring instrument:
Multi tester
Check the voltage.
If the voltage is within ±85%
of the rated voltage, it is OK.
Check the terminal
movement.
Check both terminals of
power cord.
Power conducts:OK.
No power conducts:NG
Check both terminals of
OLP
If power conducts:OK.
If not:NG.
Check the resistance of both
terminals.
At normal temperature 6:
OK.
If disconnected: ∞.
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