Download REFRIGERATOR SERVICE MANUAL

2-1. Power
Problems
Causes
Checks
Measures
No power on
- Power cord cut.
- Check the voltage with tester.
- Reattach the components.
outlet.
- Faulty connector insertion.
- Check visually.
- Reattach the connecting parts.
- Faulty connection between plug
- Check visually.
- Reconnect the connecting parts.
- Check the fuse with tester
- Find and remove the cause of
Remarks
and adapter.
Fuse blows out. - Short circuit by wrong connection.
- Low voltage products are
connected to high voltage.
- Short circuit caused by insects.
- Electricity leakage.
- High voltage.
or visually.
- Check the input voltage with tester
- Replace with rated
problem(ex. short, high voltage,
fuse after confirm
low voltage).
its specification.
(between power cord and products). - Replace with rated fuse.
■ If fuse blows out
- Check the resistance of power cord
with tester (if it is 0Ω, it is shorted).
frequently, locate
- Short circuit of components
the cause and remedy.
- 63 -
(tracking due to moisture and dust
penetration).
2-2. Compressor
Problems
Compressor
Causes
- Faulty PTC.
does not
Checks
- Check the resistance.
Value:∞ is defective.
operate.
Measures
- If resistance is infinite, replace it
with new one.
- If it is not infinite, it is normal.
- Check other parts.
- Compressor is frozen.
- If compressor assembly parts are
- During forced operation:
normal(capacitor, PTC, OLP),
- Operates: Check other parts.
apply power directly to the
- No operation: Replace the frozen
compressor to force operation.
Auxiliary winding
compressor with new one, weld,
evacuate, and recharge refrigerant.
Main winding
Power
OLP
It starts as soon as it is
contacted.
• Refer to weld repair procedures.
Remarks
PROBLEM DIAGNOSIS
2. Faults