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
LEAKAGE
CLOGGED BY DUST
DEFECTIVE
COMPRESSION
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