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Problems
Checks
Measures
Remarks
Sound "Burping"
(almost the same
as animals crying
sound).
Waterboilingor
flowingsound.
Sound of whistle
when door
closes.
Causes
It happens when refrigerant expands
at the end of capillary tube.
It happens when refrigerant passes
orifice in accumulator internal pipes by
the pressure differencebetween
condenser and evaporator.
When door closes, the internal pressure
of the refrigerator decreases sharply
)elow atamosphere and sucks air into
the refrigerator, making the whistle
;ound,
- Check the sound of refrigerant at the
initial thsta]lafloo.
- Check the sound when the refrigerator
starts operalJon after forced defrosting.
- Check the restrainer attachment
conditions on the eval_xator and
capillary tube weld joints.
- Check the sound when compressoris
tamed on.
- Check the sound when compressor is
turned off.
- Checkthe soundbyopeningand
closingthe refdgerator o r freezerdoors.
- Check the restrainer attached on the
evaporator and capillary tube weld
joints and attach another restrainer.
- If if is continuous and servere, insert
capillary tube again (depth:15±3mm)
- Fasten the capillarytube to suction
pipes or detach in the compressor
compartment.
- Explain the principles of freezing
cycles.
- Explain the principles of freezing cycles
and refrigerant flowing phenomenon by
internal pressure difference.
- If sound is servere, wrap the
accumulator with foam and restrainer.
- Broaden the cap of discharge hose for
defrosting in the compressor
compsdment.
- Seal the gap with sealant between out
and inner cases of hinge in door.
--t
F.
_o
(/)
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