Daikin Inverter FTXS20KVMA Operation Manual page 38

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.
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 heating mode can be selected
with the mode selector button.
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Page 9
Dipswitches
Heating side
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.
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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.