37
Troubleshooting
Cooling (Heating) e ect is poor.
•Aretheairltersclean?
•Isthereanythingtoblocktheairinletortheoutletof
theindoorandtheoutdoorunits?
•Isthetemperaturesettingappropriate?
•Arethewindowsanddoorsclosed?
•Aretheairowrateandtheairowdirectionset
appropriately?
Remote controller does not work
properly.
No remote controller signals are displayed.
The remote controller sensitivity is low.
The display is low in contrast or blacked out.
The display runs out of control.
•Thebatteriesaredyingandtheremotecontrolleris
malfunctioning.Replaceallthebatterieswithnew,size
AAA.LR03(alkaline).Fordetails,referto“Tosetthe
batteries”ofthismanual.
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The operation mode display of the
remote controller is unusual.
Heating cannot be selected, even though the
unit is heat pump model.
•SlidetheDIPswitchtotheleftasshowninthe
illustrationsothattheHEAToperationcanbeselected
withtheMODEselectorbutton.
The LCD displays AUTO and HEAT operation
modes though the unit is a cooling only model.
•
SlidetheDIPswitchtotherightasshownintheillustrationso
thattheAUTOandHEAToperationdisplayswilldisappear.
DIP switch
[ Heat pump model ] [ Cooling only model ]
DIP switch
The ON/OFF TIMER does not
operate according to the settings.
•CheckiftheON/OFFTIMERandtheWEEKLYTIMER
aresettothesametime.
ChangeordeactivatethesettingsintheWEEKLY
TIMER.
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The indoor unit gives out odour.
•Thishappenswhensmellsoftheroom,furniture,or
cigarettesareabsorbedintotheunitanddischarged
withtheairow.
(Ifthishappens,werecommendyoutohavethe
indoorunitwashedbyatechnician.Consultthe
serviceshopwhereyouboughttheairconditioner.)
The outdoor fan rotates while the
air conditioner is not in operation.
After operation is stopped
•Theoutdoorfancontinuesrotatingforanother
60secondsforsystemprotection.
While the air conditioner is not in operation
•Whentheoutdoortemperatureisveryhigh,the
outdoorfanstartsrotatingforsystemprotection.
An abnormal functioning happens
during operation.
•Theairconditionermaymalfunctionwithlightningor
radiowaves.Turnthebreakero,turnitonagainand
tryoperatingtheairconditionerwiththeremote
controller.
01_EN_3P291209-1C.indd 37 31-Aug-20 6:29:55 PM