34
Troubleshooting
Case
Explanation
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.
•
The operation stopped suddenly.
(OPERATION lamp is on.)
For system protection, the air conditioner may stop operating on a sudden large voltage
fl
uctuation.
•
It automatically resumes operation in about 3 minutes.
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 batteries, AAA.LR03 (alkaline). For details, refer to set the batteries
of this manual.
Page 8
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 disable the settings in the WEEKLY TIMER.
Page 23
Check again.
Please check again before calling a repair person.
Case
Check
The air conditioner does not operate.
(OPERATION lamp is off.)
Is a breaker off or a fuse blown?
•
Is there a power failure?
•
Are batteries set in the remote controller?
•
Is the timer setting correct?
•
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 air
fl
ow rate and the air direction set appropriately?
•
Operation stops suddenly.
(OPERATION lamp
fl
ashes.)
Are the air
fi
lters clean?
•
Clean the air
fi
lters.
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
fl
ashes, call the service shop
where you purchased the air conditioner.
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.
The
fl
ap does not start swinging immediately.
The air conditioner is adjusting the
fl
ap position. The
fl
ap will start moving soon.
•
HEAT operation 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 HEAT operation can be selected
with the “MODE” button.
DIP switch
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10/12/2011 9:35:09 AM
10/12/2011 9:35:09 AM