49TROUBlESHOOTING4-1) Function for failure diagnosis4-1-1.Testmode(manualoperation/manualdefrostfunction)• IfEnergySaverKey+FridgeKeyonthefrontofpanelarepressedsimultaneouslyfor8seconds,itwillbechangedtothetestmodeandalldisplaysonthefrontofpanelwillbeoff.• Ifanykeyonthefrontofpanelispressedwithin15secondsafterthetestmode,itwillbeoperatedasbelowsequence:manualoperation(Freezercompartment1)⇀manualoperation(Freezercompartment2)⇀ manualoperation(Freezercompartment3)⇀manualdefrostoffreshfoodandfreezercompartments(Fd)⇀Cancel(Displayalloff).• Ifanykeyonthefrontofpanelisnotpressedwithin15secondsafterthetestmode,thetestmodewillbecanceledanditwillbereturnedtopreviousmode.• Ifthetestmodeiscanceled,Recommendthepoweroffandreactivatetherefrigerator.①IfEnergySaverKey+FridgeKeyarepressedsimultaneouslyfor8seconds,(displaysarealloff)Itwillbechangedtothetestmode(manualoperation)bypressinganykey1-1)Ifanykeyispressedonceintestmode,blinks"FF-1"onthedisplayanditindicatestherefrigeratorhasenteredthemanualoperation.Atthismoment,buzzerbeepsasanalarm.1-2)Ifanykeyispressedonceatthemanualoperation1status,FF-2willbedisplayed.Andifanykeyispressedonemoretime,FF-3willbedisplayed.FF-2andFF-3meansmanualoperation2and3separately.These3functionsoperatewithdifferentRPMofCOMP.1-3)Ifmanualoperationisselected,compressorwillrunatoncewithout7minutesdelayinanymode.Iftherefrigeratorisonthedefrostcycleatthemoment,defrostwillbefinishedandmanualoperationwillbegin.(Becarefulifmanualoperationgetstartedatthemomentofcompressoroff,overloadcouldbeoccurred.)1-4)Ifmanualoperationworks,compressor&f-fanoperatecontinuouslyfor24hoursandfreshfoodcompartmentwillbecontrolledbythesettingtemperature.1-5)Whenthemanualoperationruns,settingtemperaturewillbeselectedautomaticallyasbelow:freezercompartment -8℉.(-22℃),freshfoodcompartment32℉(1℃).1-6)Duringmanualoperation,PowerFreeze&PowerCoolfunctionwillnotbeworked.Ifafunctionisselected,thepowerfunctioniconoftheselectedfunctionwillbeoffautomaticallyafter10seconds.1-7)Manualoperationcanbecanceledbyturningontheapplianceafterpoweroff(reset)orchoosingthestep3)testcancelmode.1-8)Alarm(0.25secON/0.75secOFF)willbeepcontinuouslyuntilmanualoperationiscompletedandthereisnofunctiontomakethesoundstop.Compulsionworking1:3600RPM Compulsionworking:3600RPM1)Manualoperationfunction