6-5 REFRIGERATING CYCLE
- 14 -
▼
Troubleshooting Chart
▼
Leakage Detection
●
Observe discharging point of refrigerant which may be in the oil discharging part in the compressor and hole of evaporator.
YES
YES
Check if compressor
runs or not.
Check if frost
forms or not in
Evaporator.
Observe the discharged
amount of Refrigerant.
Inject refrigerant to compressor
and check cooling operation.
Clogged by dust.
Gas leakage.
Faulty
Compressor.
Moisture Clog
Check if oil
leaks or not.
Frost formed normally
Normal amount
No or much amount
(Check the leakage point)
Frost formed normally
No frost
or 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
cool normally.
•
when injecting of Refrigerant
•
the regular amount.
WHOLE
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
Refrigerator don't
formed.
•
when injecting of Refrigerant
cool normally.
•
the regular amount.
PARTIAL
Freeze
Flowing sound of refrigerant
A little higher
• Normal discharging of
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
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
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 of high pressure
RESSION
operation.
is not heard and no frost.
temperature.
•
part in the compressor.
CAUSE
TEMPERATURE
OF THE
COMPRESSOR
REMARKS
STATE OF
THE SET
STATE OF THE
EVAPORATOR
LEAKAGE
CLOGGED
BY
DUST
DEFECTIVE
COMPRESSION
Summary of Contents for LRTBC1825T Service
Page 24: ...7 5 Main PWB Assembly and Parts List 7 5 1 MAIN PWB 24 ...
Page 25: ...7 5 2 Replacement Part List 25 ...
Page 26: ...7 6 PWB DIAGRAM 26 ...
Page 27: ... 27 ...
