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When the Need Arises
Troubleshooting
Before making an inquiry or a request for repair, please check the following.
If the problem persists, consult your dealer.
Not a problem
This case is not a problem.
Case
Operation does not start soon.
• When ON/OFF button was pressed
soon after operation was stopped.
• When the mode was reselected
Air does not come out.
The outdoor unit emits water.
Mist comes out of the indoor unit.
The indoor unit gives out odour.
The outdoor fan rotates while the air
conditioner is not in operation.
The operation stopped suddenly.
(OPERATION lamp is on.)
The air conditioner does not operate.
(OPERATION lamp is off.)
Cooling effect is poor.
Operation stops suddenly.
(OPERATION lamp is blinking.)
An abnormal functioning
happens during operation.
NOTE
Notes on the operating conditions
• If operation continues under any conditions other than those listed in the table,
− A safety device may activate to stop the operation.
− D ew may form on the indoor unit and drip from it when COOL or DRY
operation is selected.
8
• This is to protect the air conditioner.
You should wait for about 3 minutes.
.
„ When the air conditioner operates immediately after the circuit breaker is turned on
• The air conditioner is preparing to operate. Wait for about 3 to 20 minutes.
„ In COOL or DRY mode
• Moisture in the air condenses into water on the cool surface of outdoor unit piping and drips.
„ This happens when the air in the room is cooled into mist by the cold air fl ow during cooling
operation.
„ This happens when smells of the room, furniture, or cigarettes are absorbed into the unit and
discharged with the air fl 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.)
„ After operation is stopped:
• The outdoor fan continues rotating for another 30 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 fl uctuation.
It automatically resumes operation in about 3 minutes.
• 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 fi lters clean?
• Is there 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 air fl ow rate and the air direction set appropriately?
• Are the air fi lters clean?
• Is there anything blocking the air inlet or the outlet of the indoor and the outdoor units?
Clean the air fi lters 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.
• 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 confi rm that the lamps blink.
If the lamps stop blinking after the above steps, there is no malfunction.
• 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.
Check
Please check again before requesting repairs.
Description / what to check
Mode
Outdoor temperature: 10.0-46.0°C
COOL / DRY
Indoor temperature: 18.0-32.0°C
Indoor humidity: 80% max.
Operating conditions
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