6-4 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
LEAKAGE
CLOGGED BY DUST
DEFECTIVE
COMPRESSION
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