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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.
Remote controller sensitivity is low.
Display is low in contrast or blacked out.
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 indoor unit gives out odor.
• This happens when smells of the room, furniture, or
cigarettes are absorbed into the unit and discharged with
the airfl ow.
(If this happens, have the indoor unit washed by a
technician from the service shop where you purchased
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.
HEAT operation 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 operation can be selected with the
“MODE” button.
DIP switch
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