LG LFC23760 Series, Service Manual

Page: 15 / 48

6-5 REFRIGERATION CYCLE
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•
Troubleshooting Chart
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 by
cool normally. ¥ restoring the normal amount of
¥ refrigerant and repairing the leak.
COMPLETE Freezer Flowing sound of refrigerant Equal to ambient
•
No discharging of Refrigerant.
LEAKAGE compartment and is not heard and frost isn't temperature. • Normal cooling is possible by
Refrigerator don't formed. ¥ restoring the normal amount of
cool normally. ¥ refrigerant and repairing the leak.
PARTIAL Freezer Flowing sound of refrigerant A little higher • Normal discharging of the
CLOG compartment and is heard and frost forms than ambient ¥ refrigerant.
Refrigerator don't in inlet only. temperature. • The capillary tube is faulty.
cool normally.
WHOLE Freezer Flowing sound of refrigerant Equal to ambient • Normal discharging of the
CLOG compartment and is not heard and frost isn't temperature. ¥ Refrigerant.
Refrigerator don'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 the
temperature. ¥ capillary tube.
COMP- Freezer and Low flowing sound of A little higher • Low pressure at high side
RESSION Refrigerator refrigerant is heard and than ambient ¥ of compressor due to low
don't cool. frost forms in inlet only. temperature. ¥ refrigerant level.
NO COMP- No compressing Flowing sound of refrigerant Equal to ambient • No pressure in the high
RESSION operation. is not heard and there is temperature. ¥ pressure part of the
no frost. ¥ compressor.
CAUSE
TEMPERATURE
OF THE
COMPRESSOR
REMARKS
STATE OF
THE UNIT
STATE OF THE
EVAPORATOR
L
E
A
K
A
G
E
C
L
O
G
G
E
D
B
Y
D
U
S
T
D
E
F
E
C
T
IV
E
C
O
M
P
R
E
S
S
IO
N