EdgeStar CWR5631FD - Refrigerating Cycle

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4. TROUBLESHOOTING
4-4 REFRIGERA
TING CYCLE
▼ Troubleshooting Chart
LEAKAGE
PAR TIAL
LEAKAGE
Low owing sound of
Refrigerant is heard and
frost forms
A little high -
more than
ambient room
temperature.
WHOLE
LEAKAGE
Flowing sound of Refrigerant
is not heard and frost isn't
formed.
CLOG
IN CAPILLARY
Flowing sound of Refrigerant
is heard and frost forms
A little high -
more than
ambient room
temperature.
A little high -
more than
ambient room
temperature.
A little high -
more than
ambient room
temperature.
Flowing sound of Refrigerant
is not heard and frost isn't
formed.
YES
No frost or forms
in inlet only
Faulty
Normal amount
Inject Refrigerant to
Observe the discharging
amount of Refrigerant.
No or not much
NO
YES
Compressor.
Compressor and check
cooling operation.
Check Compressor
Clogged or restricted
Normal formed
frost in Evaporator
Find and Repair Leak
Appliance does
not get cold
enough
Appliance does
not get cold at all
Does compressor
turn on?
Is gas leak detected?
Observe refrigerant disharging point. Oil dishcharge/stain is often best indicator. indicator. Use bubbles to locate hole in line,
evaporator or condensor.
No cooling
Is oil leak detected?
• No discharging of refrigerant
• The capillary tube is faulty.
• The lter dryer is faulty.
• The condensor is faulty.
• The evaporator is faulty.
• No discharging of refrigerant
• A little refrigerant discharges
• Normal cooling is possible when
charging refrigerant of regular amount
stated on specication plate / rating
label.
• A little refrigerant discharges
• Normal cooling is possible when
charging refrigerant of regular amount
stated on specication plate / rating
label.
Does frost form on
the evaporator?
Appliance does
not get cold
enough
PARTIAL
RESTRICTION
CAUSE STATE OF UNIT STATE OF EVAPORATOR TEMPERATURE
OF COMPRESSOR
COMMENTS
WHOLE
RESTRICTION
Appliance does
not get cold
NO