23
Troubleshooting
Beforemakinganinquiryorarequestforrepair,pleasecheckthefollowing.
Iftheproblempersists,consultyourdealer.
Not a problem
Thiscaseisnotaproblem.
Check
Pleasecheckagainbeforerequesting
repairs.
The air conditioner does not operate
Case Description / what to check
OPERATION lamp is off.
•Hasthecircuitbreakerbeentrippedorthefuseblown?
•Isthereapowerfailure?
•Arebatteriessetintheremotecontroller?
OPERATION lamp is blinking.
•Turnoffthepowerwiththecircuitbreakerandrestartoperationwiththeremotecontroller.
IftheOPERATIONlampisstillblinking,checktheerrorcodeandconsultyourdealer.
The air conditioner suddenly stops operating
Case Description / what to check
OPERATION lamp is on.
•Toprotectthesystem,theairconditionermaystopoperatingaftersuddenlargevoltage
uctuations.Itautomaticallyresumesoperationinabout3minutes.
OPERATION lamp is blinking.
•Aretheairltersdirty?
Cleantheairlters.
•Isthereanythingblockingtheairinletorairoutletoftheindoorunitoroutdoorunit?
Stopoperationandafterturningoffthecircuitbreaker,removetheobstruction.Thenrestart
operationwiththeremotecontroller.IftheOPERATIONlampisstillblinking,checktheerror
codeandconsultyourdealer.
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
•Theoutdoorunitfancontinuesrotatingforaboutanother1minutetoprotectthesystem.
While the air conditioner is not in operation
•Whentheoutdoortemperatureishigh,theoutdoorunitfanmaystartrotatingtoprotect
thesystem.
The room does not cool down / warm up
Case Description / what to check
Air does not come out
In HEAT operation
•Theairconditioneriswarmingup.Waitforabout1to4minutes.
•Duringdefrostingoperation,hotairdoesnotowoutoftheindoorunit.
When the air conditioner operates immediately after the circuit breaker is turned on
•Theairconditionerispreparingtooperate.Waitforabout3to20minutes.
Air does not come out /
Air comes out.
Is the air ow rate setting appropriate?
•Istheairowratesettinglow,suchas“Indoorunitquiet”or“Airowrate1”?Increasethe
airowratesetting.
Is the set temperature appropriate?
Is the adjustment of the air ow direction appropriate?
Air comes out.
•Isthereanyfurnituredirectlyunderorbesidetheindoorunit?
•IstheunityouareoperatingoranotherunitrunninginECONOoperation?
•Aretheairltersdirty?
•Isthereanythingblockingtheairinletorairoutletoftheindoorunitoroutdoorunit?
•Isawindowordooropen?
•Isanexhaustfanturning?
When the Need Arises When the Need Arises
01_EN_3P372379-12Q.indd 23 22-Feb-19 1:02:57 PM