Daikin FTKS25LVMA - Unit Not Operating (No Indicator Light); Delayed Heating Start Explanation; Sudden Stop with Flashing Light; Sudden Stop with Solid Light

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•Troubleshootingmeasuresareclassiedintothefollowingtwotypesonaremedialbasis.
Takeanappropriatemeasureaccordingtothesymptom.
Not trouble
•Thesecasesarenottroubles.
Check
•Pleasecheckagainbeforecallingarepairperson.
The air conditioner does not operate.
(OPERATION lamp is o󰀨 .)
•Hasn’tabreakerturnedo󰀨orafuseblown?
•Isn’titapowerfailure?
•Arebatteriessetintheremotecontroller?
•Isthetimersettingcorrect?
Hot air does not  ow out soon after
the start of heating operation.
•Theairconditioneriswarmingup.Youshouldwaitfor
1to4minutes.(Thesystemisdesignedtostart
dischargingaironlyafterithasreachedacertain
temperature.)
Operation stopped suddenly.
(OPERATION lamp is on.)
•Forsystemprotection,theairconditionermaystop
operatingonasuddenlargevoltageuctuation.It
automaticallyresumesoperationinabout3minutes.
Operation stopped suddenly.
(OPERATION lamp  ashes.)
•Aretheairltersclean?
Cleantheairlters.
•Isthereanythingtoblocktheairinletortheoutletof
theindoorandtheoutdoorunits?
Turnthebreakero󰀨andtakeallobstaclesaway.Then
turnitonagainandtryoperatingtheairconditioner
withtheremotecontroller.Ifthelampstillashes,call
theserviceshopwhereyouboughttheairconditioner.
•Areoperationmodesallthesameforindoorunits
connectedtooutdoorunitsinthemulti system?
Ifnot,setallindoorunitstothesameoperationmode
andconrmthatthelampsash.
Whentheoperationmodeisin“AUTO”,setallindoor
unitoperationmodesto“COOL”or“HEAT”fora
momentandcheckagainthatthelampsarenormal.If
thelampsstopashingaftertheabovesteps,thereis
nomalfunction.
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Mist comes out of the indoor unit.
•Thishappenswhentheairintheroomiscooledinto
mistbythecoldairowduringCOOLoperation.
•Thisisbecausetheairintheroomiscooledbythe
heatexchangerandbecomesmistduringdefrosting
operation.
01_EN_3P291209-1C.indd 36 31-Aug-20 6:29:54 PM