Daikin FVXS50KV1A Operation Manual page 31

Case
The outdoor fan rotates while
the air conditioner is not in
operation.
The operation stopped
suddenly.
(OPERATION lamp is on.)
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 ON/OFF TIMER does not
operate according to the settings.
Check again.
Please check again before calling a repair person.
Case
The air conditioner does not
operate.
(OPERATION lamp is off.)
Cooling (Heating) effect is poor. • Are the air filters clean?
Operation stops suddenly.
(OPERATION lamp flashes.)
An abnormal functioning
happens during operation.
30
■ 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.
■ For system protection, the air conditioner may stop operating
on a sudden large voltage fluctuation.
It automatically resumes operation in about 3 minutes.
• The batteries are dying and the remote controller is malfunc-
tioning. Replace all the batteries with new size AAA alkaline
batteries. For details, refer to set the batteries of this manual.
(page 7.)
* If the reset button is provided, press the reset button after the
batteries are replaced.
• Check if the ON/OFF TIMER and the WEEKLY TIMER are set to the same time.
Change or disable the settings in the WEEKLY TIMER. (page 20.)
• Hasn't a breaker turned off or a fuse blown?
• Isn't it a power failure?
• Are batteries set in the remote controller?
• Is the timer setting correct?
• 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 airflow rate and the air direction set appropriately?
• Are the air filters clean?
Clean the air filters.
• Is there anything to block the air inlet or the outlet of the
indoor and the outdoor units?
Turn the bleaker off and take all obstacles away. Then turn it on again and
try operating the air conditioner with the remote controller. If the lamp still
flashes, call the service shop where you bought the air conditioner.
• Are operation modes all the same for indoor units connected
to outdoor units in the multi system?
If not, set all indoor units to the same operation mode and
confirm that the lamps flash.
Moreover, when the operation mode is in AUTO, set all
indoor unit operation modes to COOL or HEAT for a moment
and check again that the lamps are normal.
If the lamps stop flashing after the above steps, there is no malfunction. (page 24.)
• 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.
Explanation
Check