LG ARNU093SER2 Owner's Manual - Page 12

Maintenance and Service Before you call for service... ? Troubleshooting Tips! Save time and money! Check the following points before requesting repairs or service.... If the malfunction persist, please contact your dealer. 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. It seems that condensation is leaking from the air conditioner. Air conditioner does not operate for about 3 minutes when restart. • Check that this is not a damp smell exuded by the walls, carpet, furniture or cloth items in the room. • Condensation occurs when the airflow from the air conditioner cools the warm room air. • This is the protector of the mechanism. • Wait about three minutes and operation will begin. Does not cool or heat effectively. The air conditioner operation is noisy. Crack sound is heard. Remote control display is faint, or no display at all. • 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? • 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. • This sound is generated by the expansion/ constriction of the front panel, etc. due to changes of temperature. • Are the batteries depleted? • Are the batteries inserted in the opposite (+) and (-) directions? Filter sign lamp (LED) is ON. • Cleaning the filter, press the Timer button and ◀ button of wired remote controller at the same time for 3 sec. NOTICE 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. 12 Indoor Unit