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1、电冰箱维修（Refrigeratormaintenance）Someofthefaultscanbehearddirectlythroughdifferentsounds.Soitispossibletojudge,suchas:"hum......"Thecompressormotorfailedtostartproperly......"Breakingorairflowforthehighpressurepipeinthecompressor......"Thesuspensionspringinthecompressormaybebrokenandthecompres
2、sorwillbetilted......"Or"crash......"Itisaliquidknockofthecylinder;"click"and"click"......"Forthecompressortostarttherelaydoesnotattract,theabovesituationshouldbestoppedintime,replacethecompressor.Listentotheevaporatorinsidethepipelinehasnoairorsoundthesoundofwater,normallyintheevaporatorin
3、letpipe(i.e.capillarytubeandevaporatorconnection),aclear"hissing......"Or"wow......"Thesoundofarefrigerant,airfloworwaterflow,andauniformandcontinuousopeningofthedoor.Astothisvoiceorsuddenlysuddenlysmall,andevenitisnotnormaltosuddenlyappearanddisappear.Indicatingrefrigerantleaksordeficienci
4、es.SeeLookatthedegreeoffrostingontheevaporator(vertical)orinnerliner(horizontal).Thefreezerinnormalworkingcondition,theinner(orevaporator)surfacefrostthicknessshouldbeuniform,consistent,suchasfrost,frostisnotuniform,ornofrost,oratranslucentfrostorcondensationofwater,thatisnotnormal,orlackof
5、refrigerantleakage.Checkthepipingsystem,especiallywhetherthereisoilstainineachweldingplace.Therefrigeranthasstrongpermeability,andasmallamountoflubricatingoilintherefrigerant,normallywithoutanytracesofoilleakage,suchasleakage,oilwillleak,thenhereisthesiteofrefrigerantleakage.Touch.Thetouchs
6、urfaceofthecondensertemperaturefreezercontinuouslyundernormalworkingconditions,theupperpartoftheheat,andevenhot(thetemperatureandenvironmentalandseasonalrelated);lowertemperatureclosetoorslightlyhigherthantheambienttemperature,andcoolinggraduallyfromtoptobottom.Ifthewholecondenserisnothot,o
7、rtheupperpartisonlyslightlyhot,orevenhotter,butthereareobvioustemperaturedifferencesbetweentwoadjacentcondenserpipes,whichisabnormal.Thetouchoftheevaporator(vertical)ortheliner(horizontal)surfacetemperature,undernormalcircumstancesshouldreach-18degreesor
