Operation Manual

27
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
Case Description / what to check
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?
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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_3P379751-2A.indd 27 11/12/2014 6:18:53 PM