LG UMNH24GB2A1, Owner'S Manual

Page: 26 / 137

26 Multi Type Air Conditioner
Before you call for 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!
The air conditioner does not
operate.
The room has a peculiar odor.
It seems that condensate is
leaking from the air Conditioner.
Air conditioner does not operate
for about 3 minutes when restart.
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.
• Have you made a mistake in timer operation?
• On first starting, the indoor unit operates in
fifteen seconds.
• Has the fuse blown or has the circuit breaker
been tripped?
• 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.
• 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 setting 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/contraction of the inlet grille, etc. due
to changes of temperature.
• Has the circuit breaker been tripped?
12
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24
14, 17
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Case Explanation See page