15
When you think trouble occurs
Please check the following items before connecting a serviceman
Is there a failure?
Check point
The air conditioner
can't operate.
The horizontal
vane can't operate.
Indoor cooling is
not enough.
The indoor unit
gives off odor.
The remote controller
has no message to
display or darkens.
The indoor unit
has no response to
the signal from the
remote controller.
If the air conditioner can't still operate after the above items have
been checked, please stop using the machine and contact the
specialty shop or technical service center for help.
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Is the filter clean?
(Page 15)
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Is the indoor unit fan clean?(Page 19)
Is the power supply turned on?
Is the fuse blown?
Is ON-Timer set?(Page 14)
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Are the horizontal vane and
vertical vane installed in the indoor
unit correctly?(Page 19)
Is the protective screening of the
fan distorted?
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Are batteries exhausted?(Page 5)
Is the polarity of a battery placed
correctly?(Page 5)
Are buttons on the remote
controller of other electric
appliance pressed?
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Please pay attention to the following condition before
asking a serviceman for repair.
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In a room decorated with electronic fluorescent lamp, the
signal from the remote controller may be unacceptable.
In circumstances with weak radio wave, the air
conditioner may disturb the signal acceptance of
broadcast or TV, thus, the affected equipment may need
a magnifier.
When thunder appears, you have to stop operation
and remove power plug or turn off the power supply.
Otherwise, there is a risk of damaging the electrical part
in the air conditioner.
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Is there a failure?
Check point
Is the temperature setting
correct?(Page 7)
Is the filter clean?
(Page 15)
Is the indoor unit fan clean?(Page 19)
Is the air inlet or air outlet of the indoor
or outdoor unit covered?
Are the doors and windows in room
opened?
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Is there a failure?
Answer (it's normal)
The air conditioner
can't operate within
3 minutes after you
restart the machine.
In accordance with the microcomputer's
display, it means the protection of
the air conditioner, please wait.
·
A crack is heard.
The noise results from the expansion/
shrinkage of the front panel due to
temperature change.
·
The air out of the
indoor unit has an
odor smell.
The air conditioner may absorb the
peculiar smells from wall, carpet,
furniture and clothes, then mix them
with air for blowout.
·
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Voice similar to
current is heard.
This is a voice from refrigerant
flowing inside the air conditioner.
This is a voice from the flowing of
condensed water drop inside the
heat exchanger.
This is a voice from thaw of the heat
exchanger.
·
Voice similar to air
bubble is heard.
This is a voice from the ejection of
water flowing inside the drainage hose
when the outdoor air is absorbed in
the hose and when a soot absorption
machine or a vent fan is activated. If
the outside airflow is strong and blown
into the drainage hose, you can hear
the voice too.
Fog is blown out
from the indoor
unit outlet during
operation.
The fog results from quick condensation
between moisture in the air and cold
airflow from indoor unit outlet.
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Snapping can be
heard from indoor
unit.
This is a voice from the switching
(ON and OFF) of compressor or fan.
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Hiss can be heard
from indoor unit.
This is a voice in which the air
conditioner starts or stops refrigerant
flowing.
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Is there a failure?
Answer (it's normal)
In heating operation, the steam from
thawing operation looks like white mist.
White mist from the
outdoor unit.
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The horizontal vane and
vertical vane pause to
swing and then start to
swing again.
The condition appears so that normal
blowing with swing is enabled for the
horizontal vane and vertical vane.
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When the air conditioner operates
in cooling mode, if the air is blown
downwards for one hour, the
airflow direction is set to (1) or (2)
automatically, which is to prevent
condensed water drop from dropping.
In the heating operation, if the output
air temperature is too low or when
defrosting is done, the horizontal
vane position is automatically set to
horizontal.
The airflow direction
changes during
operation. The
remote controller
can’t adjust the
movement of the
horizontal vane.
Please wait as the conditioner is
operating to blow arm air.
Air does not flow out
quickly in the heating
operation.
Defrosting of the outdoor unit is being
done (Defrosting operation). Since this
is completed within 10 minutes, please
wait. (When the external temperature is
too low and humidity is too high, frost is
formed).
The operation is
stopped for about
10 minutes in the
heating operation.
The cooling load is high, because the
exhaust fan or stove is in use. So the
cooling capacity is not enough.
The cooling or heating capacity is
not enough because the outdoor
temperature is too high or too low.
The room is not
cooled or heated
sufficiently.
During the cooling operation, pipe
connector sections are cool and this
causes water condensed.
Water or water vapor created by the
defrosting operation is connected.
Water adhering to the heat
exchanger during heat operation
drips.
Water leaks from
the outdoor unit
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