Before You Call For Service - LG RNU05GTR 4 Series Owner's Manual

Before you call for service...

Troubleshooting Tips! Save time and money!
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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?
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 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.
Maintenance and Service
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/ 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?
Owner's Manual 13
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.
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.