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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 (Heating) effect is poor.
Operation stops suddenly.
(OPERATION lamp flashes.)
An abnormal functioning happens
during operation.
28
• Has a breaker been turned OFF or a fuse blown?
• Is there a power failure?
• Are fresh batteries installed in the remote controller?
• Is the timer setting correct?
• Are the air filters clean?
• Is anything blocking 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?
• Is the unit set to the INTELLIGENT EYE mode?
(page 18.)
• Are the air filters clean?
• Is there anything blocking the air inlet or the outlet of the indoor
and the outdoor units?
Turn the electrical breaker off, clean the air filters or remove
obstacles away from inlet and outlet. Then turn the breaker ON
again and try operating the air conditioner with the remote
controller. If the lamp still blinks, call your authorized dealer
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 operationing mode and
confirm that the lamps blink.
Moreover, when the operationing mode is in "AUTO", set all
indoor unit operationing modes to "COOL" or "HEAT" for a
moment and check again that the lamps are normal.
If the lamps stop blinking after the above steps, there is no
malfunction.
(page 22.)
• The air conditioner may malfunction with lightning or radio
waves. Turn the circuit breaker OFF, to reset unit. Then turn it ON
again and try operating the air conditioner with the remote
controller.
Check
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