LG LMX25964 Series Service Manual page 62

12-3 REFRIGERATION CYCLE
w Troubleshooting Chart
TEMPERATURE
CAUSE STATE OF STATE OF THE OF THE REMARKS
THE UNIT EVAPORATOR COMPRESSOR
PARTIAL Freezer Low flowing sound of | A little higherthan | « Refrigerant level is low due
LEAKAGE compartment and Refrigerant is heard | ambient to a leak.
Refrigerator don't and frost forms in temperature. « Normal cooling is possible by
cool normally. inlet only. restoring the normal amount
of refrigerant and repairing
mn the leak.
az
5 COMPLETE | Freezer Flowing sound of Equal to ambient « No discharging of
m LEAKAGE compartment and refrigerant is not temperature. Refrigerant.
Refrigerator don't heard and frost isn't « Normal cooling is possible by
cool normally. formed. restoring the normal amount
of refrigerant and repairing
the leak.
Oo | PARTIAL Freezer Flowing sound of A little higher than | * Normal discharging of the
Oo |CLOG compartment and | refrigerant is heard ambient refrigerant.
Q@ Refrigerator don't and frost forms in temperature. « The capillary tube is faulty.
@ cool normally. inlet only.
oO
w WHOLE Freezer Flowing sound of Equal to ambient « Normal discharging of the
oy CLOG compartment and refrigerant is not temperature. Refrigerant.
& Refrigerator don't heard and frost isn't
"4 cool. formed.
MOISTURE CLOG | Cooling operation | Flowing sound of Lower than ambient} « Cooling operation restarts
stops periodically. | refrigerant is not temperature. when heating the inlet of the
heard and frost melts. capillary tube.
COMP- Freezer and Low flowing sound of | A little higher than « Low pressure at high side of
Q RESSION Refrigerator don't refrigerant is heard ambient compressor due to low
g 4 cool. and frost forms in temperature. refrigerant level.
U7 inlet only.
a
oo 1 | NO COMP- No compressing Flowing sound of Equal to ambient « No pressure in the high
5 a RESSION operation. refrigerant is not temperature. pressure part of the
> heard and there is compressor.
no frost.
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