Samsung SR-42 Service Manual page 12

10-4 Trouble check for the cooling cycle
Symptom
• The EVAP cools down and warms
again.
• The condenser warms in proportion
as the EVAP cools.
• The process continues to repeat.
• The condenser is cold.
• The EVAP is not cold.
• The temperature of the compressor
is high.
• No difference in temperatures
between suction pipe and discharge
pipe.
• The temperature of the compressor
is maintained at room temperature.
• The EVAP does not cool down.
• Frost on the suction pipe.
• The condenser is overheated.
• The refrigeration in the EVAP is
not effecient.
• The condenser is cold.
• The compressor surface
temperature is high.
• The refrigerator is not easily get
cooled.
Samsung Electronics
Cause
Moisture in the refrigerant
causes the malfunction.
Foreign substances hamper
the cooling cycle.
The compressor is defective
Too much refrigerant
Refrigerant leaks.
(Slight refrigerant leakage
causes partial cooling with
frost on the EVAP)
Suggestions
Replace the refrigerant
Locate the disturbed section
and make repairs
Replace the compressor
Replace the refrigerant
After welding the leaked spot,
replace the refrigerant
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