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TROUBLESHOOTING
Check the following points before requesting repairs or service. If the malfunction persists, please contact an
Authorized Service Center.
Case Explanation
The air conditioner does not
operate.
Have you made a mistake in setting the timer?
Has the fuse blown or has the circuit breaker been tripped?
The room has a peculiar odor.
Check that this is not a damp smell exuded by the walls, carpet,
furniture or cloth items in the room.
It seems that condensation is
leaking from the air conditioner.
Condensation occurs when the airflow from the air conditioner cools the
warm room air.
Air conditioner does not operate for
about 3 minutes after restarting.
This is a protective mechanism.
Wait about three minutes and operation will begin.
Does not cool or heat effectively.
Is the air filter dirty? See air filter cleaning instructions.
The room may have been very hot when the room air conditioner was
first turned on. Allow time for it to cool down.
Has the temperature settings been set incorrectly?
Are the indoor unit’s air inlet or outlet vents obstructed?
The air conditioner operation is
noisy.
For a noise that sounds like water flowing.
• This is the sound of freon flowing inside the air conditioner unit.
For a noise that sounds like the compressed air releasing into the
atmosphere.
• This is the sound of the dehumidified water being processed inside the
air conditioning unit.
A cracking sound is heard.
This sound is generated by the expansion/contraction of the inlet grille,
etc. due to changes in temperature.
Filter sign lamp (LED) is ON.
Cleaning the filter, press and hold the Timer button and the
◀button of
the wired remote controller at the same time for 3 seconds.
Remote control display is faint, or
no display at all.
Has the circuit breaker been tripped?
Are the batteries inserted in the opposite (+) and (-) directions?
Call for service immediately in the following situations
• The occurrence of anything abnormal such as a burning smell, loud noise, etc. Stop the unit and turn the
breaker off. Never try to repair the unit by yourself or restart the system in such cases.
• Main power cord is too hot or damaged.
• Error code is generated by self diagnosis.
• Water leaks from the indoor unit even though the humidity is low.
• Any switch, breaker (safety, earth) or fuse fails to work properly.
NOTE
• The user must carry routine checkups & cleaning to avoid poor performance by the unit. In case of special
situations, the job must be carried out by service person only.
TROUBLESHOOTING
20
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