Daikin FTKM28PVMK - Troubleshooting Guide

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When the Need Arises
Beforemakinganinquiryorarequestforrepair,pleasecheckthefollowing.
Iftheproblempersists,consultyourdealer.
Not a problem
Thiscaseisnotaproblem.
Check
Pleasecheckagainbeforerequesting
repairs.
The air conditioner does not operate
Case Description / what to check
OPERATION lamp is off.
• Hasthecircuitbreakerbeentrippedorthefuseblown?
• Isthereapowerfailure?
• Arebatteriessetintheremotecontroller?
OPERATION lamp is blinking.
• Turnoffthepowerwiththecircuitbreakerandrestartoperationwiththeremotecontroller.
IftheOPERATIONlampisstillblinking,checktheerrorcodeandconsultyourdealer.
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The air conditioner suddenly stops operating
Case Description / what to check
OPERATION lamp is on.
• Toprotectthesystem,theairconditionermaystopoperatingaftersuddenlargevoltage
uctuations.Itautomaticallyresumesoperationinabout3minutes.
OPERATION lamp is blinking.
• Isthereanythingblockingtheairinletorairoutletoftheindoorunitoroutdoorunit?
Stopoperationandafterturningoffthecircuitbreaker,removetheobstruction.Thenrestart
operationwiththeremotecontroller.IftheOPERATIONlampisstillblinking,checktheerror
codeandconsultyourdealer.
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The air conditioner does not stop operating
Case Description / what to check
The air conditioner continues
operating even after operation is
stopped.
 Immediately after the air conditioner is stopped
• Theoutdoorunitfancontinuesrotatingforaboutanother1minutetoprotectthesystem.
 While the air conditioner is not in operation
• Whentheoutdoortemperatureishigh,theoutdoorunitfanmaystartrotatingtoprotect
thesystem.
The room does not cool down / warm up
Case Description / what to check
Air does not come out.
 In HEATING operation
• Theairconditioneriswarmingup.Waitforabout1to4minutes.
• Duringdefrostingoperation,hotairdoesnotowoutoftheindoorunit.

When the air conditioner operates immediately after the circuit breaker is turned on
• Theairconditionerispreparingtooperate.Waitforabout10minutes.
Air does not come out /
Air comes out.
 Is the air ow rate setting appropriate?
• Istheairowratesettinglow,suchas“Indoorunitquiet”or“Airowrate1”?Increasethe
airowratesetting.
 Is the set temperature appropriate?
 Is the adjustment of the air ow direction appropriate?
Air comes out.
• Isthereanyfurnituredirectlyunderorbesidetheindoorunit?
• IstheairconditionerinECONOoperationorOUTDOORUNITQUIEToperation?
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• Aretheairltersdirty?
• Isthereanythingblockingtheairinletorairoutletoftheindoorunitoroutdoorunit?
• Isawindowordooropen?
• Isanexhaustfanturning?
Troubleshooting
01_EN_3P384084-2.indd 33 11/4/2014 2:10:04 PM