6-5 REFRIGERATION CYCLE
- 15
-
Troubleshooting Chart
Leakage Detection
YES
YES
Check if compressor
runs.
Check if frost
forms in
Evaporator.
Observe the discharged
amount of Refrigerant.
Inject refrigerant in compressor
and check cooling operation.
Clogged by dust.
Gas leakage.
Faulty
Compressor.
Moisture Clog
Check if oil
leaks.
Frost formed normally
Normal amount
None or too much
(Find the leak and repair it)
Frost formed normally
No frost
or frost forms
in inlet only
Check 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 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
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
LO
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
Observe the discharging point of the refrigerant, which may be in the oil discharging part of the compressor and in a hole
in the evaporator.
Содержание LDN22735SB
Страница 10: ...5 CIRCUIT DIAGRAM 10 ...
Страница 32: ...7 5 MAIN PWB ASSEMBLY AND PARTS LIST 7 5 1 Main PWB Assembly 32 ...
Страница 33: ...7 5 2 Replacement Parts List 33 ...
Страница 34: ...7 5 3 PWB Assembly Display and Parts List 34 SW106 Best Model ...
Страница 36: ... 36 FREEZER SENSOR FREEZER DOOR SWITCH REFRIGERATOR DOOR SWITCH REFRIGERATOR SENSOR DEFROST SENSOR 220 1 2W ...
Страница 44: ... 19 MAY 2006 MFL31442401 ...