Troubleshooting Tips; Before You Call For Service - LG LTUH286FLC0 Owner's Manual

Cassette type air conditioner
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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?
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 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.
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.
It seems that
condensation is
leaking from the air
conditioner.
• Condensation occurs
when the airflow from
the air conditioner
cools the warm room
air.
Crack sound is
heard.
• This sound is
generated by the
expansion/constrictio
n of the front panel,
etc. due to changes
of temperature.
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.
25
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.
Remote control
display is faint, or no
display at all.
• Are the batteries
depleted?
• Are the batteries
inserted in the
opposite (+) and (-)
directions?

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