Troubleshooting
Cooling (Heating) effect is poor.
Are the air fi lters clean?•
Is there anything to block the air inlet or the outlet of •
the indoor and the outdoor units?
Is the temperature setting appropriate?•
Are the windows and doors closed?•
Are the airfl ow rate and the airfl ow direction set •
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.
The batteries are dying and the remote controller is •
malfunctioning. Replace all the batteries with new, size
AAA.LR03 (alkaline). For details, refer to “To set the
batteries” of this manual.
Page 9
The operation mode display of the
remote controller is unusual.
Heating cannot be selected, even though the
unit is heat pump model.
Slide the DIP switch to the left as shown in the •
illustration so that the HEAT mode can be selected
with the MODE selector button.
The LCD displays AUTO and HEAT operation
modes though the unit is a cooling only model.
•
Slide the DIP switch to the right as shown in the illustration
so that the AUTO and HEAT mode displays will disappear.
DIP switch
[ Heat pump model ] [ Cooling only model ]
DIP switch
The ON/OFF TIMER does not
operate according to the settings.
Check if the ON/OFF TIMER and the WEEKLY TIMER •
are set to the same time.
Change or deactivate the settings in the WEEKLY
TIMER.
Page 22
The indoor unit gives out odour.
This happens when smells of the room, furniture, or •
cigarettes are absorbed into the unit and discharged
with the airfl ow.
( If this happens, we recommend you to have the
indoor unit washed by a technician. Consult the
service shop where you bought the air conditioner.)
The outdoor fan rotates while the
air conditioner is not in operation.
After operation is stopped
The outdoor fan continues rotating for another •
60 seconds for system protection.
While the air conditioner is not in operation
When the outdoor temperature is very high, the •
outdoor fan starts rotating for system protection.
An abnormal functioning happens
during operation.
The air conditioner may malfunction with lightning or •
radio waves. Turn the breaker off, turn it on again and
try operating the air conditioner with the remote
controller.
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