LG LRSC26980TT Service Manual - Page 83
Problems, Causes, Checks, Measures, Remarks, Popping
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Page 83 highlights
TROUBLE DIAGNOSIS - 83 - Problems Causes Checks Measures Sound Popping It happens when refrigerant expands - Check the sound of refrigerant at the - Check the restrainer attached on the (almost the same at the end of capillary tube. initial installation. evaporator and capillary tube weld as animals crying - Check the sound when the refrigerator joints and attach another restrainer. sound). starts operation after forced defrosting. - If it is continuous and servere, insert - Check the restrainer attachment capillary tube again (depth 15±3mm) conditions on the evaporator and - Fasten the capillary tube to suction capillary tube weld joints. pipes or detach in the compressor compartment. - Explain the principles of freezing cycles. Remarks Water boiling or flowing sound. It happens when refrigerant passes orifice in accumulator internal pipes by the pressure difference between condenser and evaporator. - Check the sound when compressor is turned on. - Check the sound when compressor is turned off. - 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. Sound of whistle when door closes. When door closes, the internal pressure of the refrigerator decreases sharply below atomosphere and sucks air into the refrigerator, making the whistle sound. - Check the sound by opening and - Broaden the cap of discharge hose for closing the refrigerator or freezer doors. defrosting in the compressor compartment. - Seal the gap with sealant between out and inner cases of hinge in door.
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