LG LRTPC1831W User Manual page 10

6-5 REFRIGERATING CYCLE
• Troubleshooting Chart
CAUSE STATE OF STATE OF THE TEMPERATURE
THE SET EVAPORATOR OF THE REMARKS
COMPRESSOR
PARTIAL Freezer Low flowing sound of A little higher • Refrigerant level is low due
LEAKAGE compartment and Refrigerant is heard and than ambient to a leak.
Refrigerator don't frost forms in inlet only temperature, • Normal cooling is possible
r- cool normally, when injecting of Refrigerant
m
> the regular amount.
_> WHOLE Freezer Flowing sound of refrigerant Equal to ambient • No discharging of Refrigerant,
m
LEAKAGE compartment and is not heard and frost isn't temperature, • Normal cooling is possible
Refrigerator don't formed, when injecting of Refrigerant
cool normally, the regular amount.
o PARTIAL Freeze Flowing sound of refrigerant A little higher • Normal discharging of
CLOG compartment and is heard and frost forms than ambient refrigerant,
o Refrigerator don't in inlet only, temperature, • The capillary tube is faulty.
o
m cool normally.
o
WHOLE Freezer Flowing sound of refrigerant Equal to ambient • Normal discharging of
CLOG compartment and is not heard and frost isn't temperature, Refrigerant.
co._ Refrigeratordon't cooL formed,
MOISTURE Cooling operation Flowing sound of refrigerant Lower than • Cooling operation restarts
CLOG stops periodically, is not heard and frost melts, ambient when heating the inlet of
temperature capillary tube.
o COMP- Freezer and Low flowing sound of A little higher • Low pressure at high side
O mo RESSlON Refrigerator refrigerant is heard and ambient of compressor due to low
"_3-n
;:um don't cool, frost forms in inlet only. temperature, refrigerant level,
mO
60-4
_ NO COMP- No compressing Flowing sound of refrigerant Equal to ambient • No pressure of high pressure
O m RESSlON operation, is not heard and no frost, temperature, part in the compressor.
Z
• Leakage Detection
• Observe discharging point of refrigerant which may be in the oil discharging part in the compressor and hole of evaporator.
Check if compressor
runs or not,
YES
Check if frost
forms or not in
Evaporator.
Frost formed normally
Moisture Clog
_r Normal amount
Faulty
Compressor,
Check Compressor
Check if oil
No frost leaks or not,
or forms
in inlet only |
Observe the discharged
amount of Refrigerant,
No or much amount
inject refrigerant to compressor
and check cooling operation,
_ Clogged by dust.
Frost formed normally
YES
v
j,,[ Gas leakage,
(Check the leakage point)
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