6-5 REFRIGERATION CYCLE
- 15-
•
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
LEAK
AGE
CL
OGGEDB
YDUST
DEFECTIVE
COMPRES
SION
