Daikin FTX25KMV1B Operation Manual page 26

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 set the batteries of this
manual. (page 7)
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.)
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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.