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8
MAINTENANCE AND SERVICE
ENGLISH
Call the service immediately in the following situations
- Anything abnormal such as burning smell, loud noise etc. happen. Stop the unit and turn the
breaker off. Never try to repair by yourself or restart the system in such cases.
- Main power cord is too hot or damaged.
- Error code is generated by self diagnosis.
- Water leaks from indoor unit even if the humidity is low.
- Any switch, breaker (safety, earth) or fuse fails to work properly
User must carry routine checkup & cleaning to avoid unit’s poor performance.
In case of special situation, the job must be carried out by service person only.
The air conditioner
does not operate.
- Have you made a
mistake in timer op-
eration?
- Has the fuse blown
or has the circuit
breaker been
tripped?
The room has a pecu-
liar odor.
- Check that this is not
a damp smell ex-
uded by the walls,
carpet, furniture or
cloth items in the
room.
It seems that conden-
sation is leaking from
the air conditioner.
- Condensation occurs
when the airflow
from the air condi-
tioner cools the
warm room air.
Air conditioner does
not operate for about
3 minutes when
restart.
- This is the protector
of the mechanism.
- Wait about three
minutes and opera-
tion will begin.
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 condi-
tioner 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 air conditioner op-
eration is noisy.
- For a noise that
sounds like water
flowing.
* This is the sound
of freon flowing in-
side the air condi-
tioner unit.
- For a noise that
sounds like the com-
pressed air releasing
into atmosphere.
- This is the sound of
the dehumidifying
water being
processed inside the
air conditioning unit.
Crack sound is heard.
- This sound is gener-
ated by the expan-
sion/ constriction of
the front panel, etc.
due to changes of
temperature.
Remote control dis-
play is faint, or no dis-
play at all.
- Are the batteries de-
pleted?
- Are the batteries in-
serted in the oppo-
site (+) and (-)
directions?
Filter sign lamp (LED)
is ON.
- Cleaning the filter,
press the Timer but-
ton and
◀
button of
wired remote con-
troller at the same
time for 3 sec.
Troubleshooting Tips! Save time and money!
Check the following points before requesting repairs or service.... If the malfunction persist,
please contact your dealer.
Summary of Contents for ATNQ18GPLE3
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