Troubleshooting Tips; Before You Call For Service - NEC LS-D2462CL 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 fault persists,
please contact your dealer or service center.
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. (Refer to
page 18)
• 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 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.
The indoor side is not water resistant and should not be exposed to excess water.
It seems that
condensation is leaking
from the air conditioner.
• Condensation occurs
when the airflow from
the air conditioner cools
the warm room air.
Remote controller
display is faint, or no
display at all.
• Are the batteries
depleted?
• Are the batteries
inserted in the opposite
(+) and (-) directions?
21
Air conditioner does not
operate for about 3
minutes when restarted.
• This is the Protection
device of the air
conditioner .
• Wait about three
minutes and operation
will begin.
Crack sound is heard.
• This sound is
generated by the
expansion/contraction
of the front panel, etc.
due to changes of
temperature.