LG GR-K192AF Service Manual page 42

Major repair method for freezing cycle
8-7. Problem checking procedure
Compressor rotates
Check the rotation Check right side
of compressor cooler
Check left side
cooler
Wall is cold Normal
Slightly cold
Right side cycle
Wall is not cold
clogged
Poor operation of
3-way valve
Refrigerant leaking
Wall is cold
Left side cycle
Wall is not cold
clogged
Poor operation of
3-way valve
Refrigerant leaking
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Moisture clogged
Poor operation of
3-way valve
Capillary tube
clogged
Valve housing not
inserted
Main PWB housing
not inserted
Valve L/wire
disconnected
Valve problem
Welding part Check leaking part
leaking
Heat emitter
leaking
Capillary tube
clogged
Valve housing not
inserted
Main PWB housing
not inserted
Valve L/wire
disconnected
Valve problem
Welding part Check leaking part
leaking
Heat emitter
leaking