Manual LG A4UW306FA0 (page 28 of 147) (English, German, French, Italian, Spanish)

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28 Multi Type Air Conditioner

Maintenance and Service

Troubleshooting

Check the following points before requesting repairs or service.... If the fault persists, please contact your dealer or service center.

Case Explanation See page

The air conditioner does not

operate.

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

after turning on.

Does not cool or heat

effectively.

The air conditioner

operation is noisy.

Remote Controller display is

faint, or no display at all.

Crack sound is heard.

• Check room temperature setting?

• Check if circuit breaker is on?

• Check that this is not a damp smell exuded by

the walls, carpet, furniture, or cloth items in the

room.

• Check the drain hose is connected tight or if

indoor unit is installed even.

• This is the protector of the mechanism.

• Wait about 3 minutes and operation will begin.

• About 3 minutes delay is applied to protect

compressor from frequenty on/off.

• Is the air filter dirty? See air filter cleaning

instructions.

• Has the temperature been set correctly?

• Are the indoor unit's air inlet or outlet vents

obstructed?

• For a noise that sounds like water flowing.

-This is the sound of refrigerant 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.

• Are the batteries depleted?

• Are the batteries inserted in the opposite (+)

and (-) directions?

• This sound is generated by the

expansion/constriction of the front panel, etc.

due to changes of temperature.

11,14

22~26

11,14

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LG A4UW306FA0 Manual

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