15
Trouble Shooting
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● Check again
Please check again before calling a repair person.
Case
The air conditioner does not
operate.
(OPERATION lamp is off)
Cooling or Heating effect is
poor.
Operation stops suddenly.
(OPERATION lamp blinks.)
An abnormal functioning
happens during operation.
Check
● 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?
● Are the air filters 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 air flow rate and the air direction set appropriately?
● Are the air filters clean?
● Is there anything to block the air inlet or the outlet of the indoor and the
outdoor units?
Clean the air filters or take all obstacles away and turn the breaker OFF.
Then turn it ON again and try operating the air conditioner with the remote
controller. If the lamp still blinks, call the service shop where you bought the
air conditioner. If the lamps stop blinking after the above steps, there is no
malfunction.
● The air conditioner may malfunction with lightening 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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