LG 230/208V 서비스 매뉴얼 - 페이지 27
{카테고리_이름} LG 230/208V에 대한 서비스 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. LG 230/208V 35 페이지. Lg service manual room air conditioner
![LG 230/208V 서비스 매뉴얼](/uploads/products/server2/2337276/2337276.png)
5.3 TROUBLESHOOTING GUIDE
In general, possible trouble is classified in two causes.
The one is called Starting Failure which is caused from an electrical defect, and the other is Ineffective Air
Conditioning caused by a defect in the refrigeration circuit and improper application.
Unit is running but cooling is ineffective
Check of cold air circulation
for smooth flow.
Dirty indoor coil
(Heat exchanger)
Malfunction of fan
Clogged of air filter
Obstruction at air outlet
Correct above trouble
Check clogging in
refrigeration circuit.
Repair clogging in
refrigeration circuit.
Ineffective Cooling
Check of outdoor coil
(heat exchanger) & the fan
operation.
Check gas leakage.
Repair gas leak.
Replacement of unit if the
unit is beyond repair.
Satisfactory operation with
temperature difference of
inlet & outlet air ; 44.6~50˚F
—27—
Check heat load increase.
Unexpected residue
Overloaded Circuit
Check of inside gas
pressure.
Adjusting of refrigerant
charge
Malfunction of compressor
Replacement of
compressor