Troubleshooting
Troubleshooting
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Case
Explanation
The indoor unit gives out
• The room odour absorbed in the unit is discharged with the airflow. We recommend
odour.
you to have the indoor unit cleaned. Please consult your service centre.
The outdoor fan rotates while
■
Immediately after the air conditioner is stopped:
the air conditioner is not in
• The outdoor unit fan continues rotating for about another 1 minute
operation.
to protect the system.
■
While the air conditioner is not in operation:
• When the outdoor temperature is high, the outdoor unit fan may
start rotating to protect the system.
Remote controller does not
■
No remote controller signals are displayed.
work properly.
■
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 malfunction-
ing. Replace both batteries with new, dry batteries
(AAA).
For
details, refer to
"To insert the batteries"
of this manual.
Check again
Please check again before requesting repairs.
Case
Explanation
The air conditioner does not
• Has the circuit breaker been tripped or the fuse blown?
operate.
• Is there a power failure?
(OPERATION lamp is off)
• Are batteries set in the remote controller?
• Is the timer setting correct?
The room does not cool down.
• Is the airflow rate setting appropriate?
If the airflow rate setting is too low, increase it.
• Is the set temperature appropriate?
• Is the adjustment of the airflow direction appropriate?
• Are the air filters dirty?
• Is there anything blocking the air inlet or air outlet of the indoor unit
or outdoor unit?
• Is a window or door open?
• Is the air conditioner in ECONO operation or GOOD SLEEP OFF
TIMER operation?
Operation stops suddenly.
• Are the air filters dirty?
(OPERATION lamp is blinking)
Clean the air filters.
• Is there anything blocking the air inlet or air outlet of the indoor unit
or outdoor unit?
Stop operation and after turning off the circuit breaker, remove the obstruction.
Then restart operation with the remote controller. If the OPERATION lamp is
still blinking, check the error code and consult your service centre.
• If the lamp stop blinking after the above steps, there is no malfunction.
An abnormal functioning
• The air conditioner may malfunction with lightning or radio waves.
happens during operation.
Turn off the circuit breaker, turn it on again and try operating the air
conditioner with the remote controller.
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Summary of Contents for ATKL50UV16V3
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