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42 Indoor Unit
Maintenance and Service
Before you call for service...
Check the following points before requesting repairs or service.... If the malfunction persist, please contact
your dealer.
Troubleshooting Tips! Save time and money!
NOTE
• Water resistant: The outdoor side of this appliance is WATER RESISTANT.
The indoor side is not water resistant and should not be exposed to excess water.
• Some functions may not be supported, depending on the model.
The air conditioner does
not operate.
• Have you made a mistake in timer operation?
• 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 when restart.
• This is the protector of the 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 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 atmosphere.
- This is the sound of the dehumidifying water being processed inside the air
conditioning unit.
Crack sound is heard.
• This sound is generated by the expansion/ constriction of the front panel, etc.
due to changes of temperature.
Remote control display is
faint, or no display at all.
• Are the batteries depleted?
• Are the batteries inserted in the opposite (+) and (-) directions?
The air conditioner
changes generated airflow
during operation.
• When the air conditioner reaches the desired temperature, the airflow rate
reduces in order to avoid generating cool airflow during heating, or to minimize
energy consumption and indoor humidity change during cooling.
- This symptom is normal.
The buzzer sounds.
(7 times)
• Is the suction panel completely closed?
Close the suction grille completely.
• Is the water completely dried after cleaning PM1.0 filter?
If moisture remains, let it dry in the shade for about a day.
• Is PM1.0 filter film torn?
Contact the LG Electronics Service Center.
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