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• OPERATING
INSTRUCTIONS
•
Even if these
items are checked,
when the unit does not recover from the
troub
e, stop us ng the a r cond toner
and consu t your dea er.
The unit cannot be operated.
• Is the breaker turned on?
• Is the power supply plug connected?
• Is the ON timer set?
The unit cannot be operated
• This protects
the unit according to instruc-
for about 3 minutes when
tions
from
the microprocessor.
Please
restarted,
wait.
Mist is discharged
from the air
• The cool air from the unit rapidly cools too!s-
outlet of the indoor unit.
ture in the air inside the room, and it turns
into mist.
The swing operation
of the
• This is for the swing operation of the HORI-
HORIZONTAL
/ VERTICAL
ZONTAL / VERTICAL VANE to be performed
VANE is suspended
for a
normally.
while, then restarted.
The air flow direction changes
• When the unit is operated
in COOL or DRY
during operation,
mode,
if the operation
continues
with air
The direction of the horizontal
blowing down for 0.5 to 1 hour, the direction
vane cannot be adjusted with
of the air flow is automatically
set to horizon-
the remote controller,
tal position to prevent water from condensing
and dripping.
• In the heating operation,
if the air flow tem-
perature is too low or when defrosting is be-
ing done, the horizontal vane is automatically
set to horizontal position.
The operation is stopped for
• Defrosting
of the outdoor
unit
is being
about 10 minutes in the heat-
done.
ing operation.
Since this is completed
in max.10
minutes,
please wait. (When the outside temperature
is too low and humidity
is too high, frost is
formed.)
The unit starts operation by
• These models are equipped with an auto re-
itself when the main power
start function. When the main power is turned
is turned on, though it isn't
off without stopping the unit with the remote
operated with the remote
controller
and is turned on again, the unit
controller,
starts operation
automatically
in the same
mode as the one set with the remote control-
ler just before the shutoff of the main power.
Refer to "Auto restart function" I';'_Y_I_I.
The indoor unit which is not
operating becomes warm and
a sound, similar to water flow-
ing, is heard from the unit.
When heating operation is
selected, operation does not
start right away.
The fan of the outdoor unit
does not rotate even though
the compressor
is running.
Even if the fan starts to rotate,
it stops soon.
Water leaks from the outdoor
unit.
• A small amount of refrigerant
continues
to
flow into the indoor unit even though it is not
operating.
• When operation is started during defrosting
of outdoor unit is done, it takes a few minutes
(max. 10 minutes) to blow out warm air.
2,
• When
the outside
temperature
is low dur-
ing cooling
operation,
the fan operates
intermittently
to maintain
sufficient
cooling
capacity.
White smoke is discharged
from the outdoor unit.
• During COOL and DRY operations,
pipe or
pipe connecting sections are cooled and this
causes water to condense.
• In the heating operation,
water condensed
on the heat exchanger
drips down.
• In the heating operation,
the defrosting
op-
eration makes water frozen on the outdoor
unit melt and drip down.
• In the heating
operation,
vapor generated
by the defrosting
operation looks like white
smoke.
The display on the remote
• Are the batteries exhausted?
controller
does not appear
• Is the polarity (+, -) of the batteries correct?
or it is dim. The indoor unit
does not respond to the
• Are any buttons
on the remote controller
of
remote control signal,
other electric appliances
being pressed?
• Is the temperature
setting
appropriate?
The room cannot be cooled
or heated sufficiently.
• Is the fan
setting
appropriate?
Please
change fan speed to higher setting.F._T_l_
• Are the filters clean?
• Is the fan or heat exchanger of the indoor unit
clean?
• Are there any obstacles blocking the air inlet
or outlet of the indoor or outdoor unit?
• Is a window or door open?
The room cannot be cooled
• When
a ventilation
fan or a gas cooker is
sufficiently,
used in a room, the cooling load increases,
resulting
in an insufficient
cooling effect.
• When the outside
temperature
is high, the
cooling effect may not be sufficient.
The room cannot be heated
• When
the outside
temperature
is low, the
sufficiently,
heating effect may not be sufficient.
Air does not blow out soon in
• Please wait as the unit is preparing
to blow
the heating operation,
out warm air.
The air from the indoor unit
• Are the filters clean?
smells strange.
• Is the fan or heat exchanger of the indoor unit
clean?
• The unit may suck in an odor adhering to the
wall, carpet, furniture,
cloth, etc. and blow it
out with the air.
Cracking
sound is heard.
• This sound is generated
by the expansion/
contraction
of the front panel,
etc. due to
change in temperature.
"Burbling" sound is heard.
• This sound is heard when the outside air is
absorbed from the drain hose by turning on
the range hood or the ventilation fan, making
water flowing in the drain hose to spout out.
This sound is also heard when the outside air
blows into the drain hose in case the outside
wind is strong.
Mechanical
sound is heard
• This is the switching
sound in turning on/off
from the indoor unit.
the fan or the compressor.
The sound of water flowing
• This is the sound of refrigerant or condensed
is heard,
water flowing in the unit.
Hissing sound is sometimes
• This is the sound when the flow of refrigerant
heard,
inside the unit is switched.
In the following
cases,
stop using
the air conditioner
and consult
your
dealer.
• When water leaks or drips from the indoor unit.
• When the left operation indicator lamp blinks.
• When the breaker trips frequently.
•
The remote control signal is not received in a room where an electronic ON/OFF
type fluorescent
lamp (inverter-type fluorescent
lamp, etc.) is used.
•
Operation of the air conditioner
interferes with radio or TV reception. An ampli-
fier may be required for the affected device.
• When an abnormal sound is heard.
En-9
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