Table of Contents
Advertisement
Please check the following items before connecting a serviceman
Is there a failure?
Is the power supply turned on?
·
The air conditioner
Is the fuse blown?
can't operate.
·
Is ON-Timer set?(Page 14)
·
Are the horizontal vane and
The horizontal
·
vertical vane installed in the indoor
vane can't operate.
unit correctly?(Page 19)
Is the protective screening of the
·
fan distorted?
Indoor cooling is
Is the temperature setting
·
not enough.
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?
The indoor unit
·Is the filter clean?(Page 15)
· Is the indoor unit fan clean?(Page 19)
gives off odor.
When you think trouble occurs
Answer (it's normal)
Is there a failure?
The air conditioner
In accordance with the microcomputer's
·
can't operate within
display, it means the protection of
3 minutes after you
the air conditioner, please wait.
restart the machine.
The noise results from the expansion/
·
A crack is heard.
shrinkage of the front panel due to
temperature change.
The air out of the
The air conditioner may absorb the
·
peculiar smells from wall, carpet,
indoor unit has an
furniture and clothes, then mix them
odor smell.
with air for blowout.
This is a voice from refrigerant
Voice similar to
·
flowing inside the air conditioner.
current is heard.
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.
This is a voice from the ejection of
Voice similar to air
·
water flowing inside the drainage hose
bubble is heard.
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
The fog results from quick condensation
·
from the indoor
between moisture in the air and cold
unit outlet during
airflow from indoor unit outlet.
operation.
Snapping can be
This is a voice from the switching
·
heard from indoor
(ON and OFF) of compressor or fan.
unit.
Hiss can be heard
This is a voice in which the air
·
from indoor unit.
conditioner starts or stops refrigerant
flowing.
Check point
15
Is there a failure?
The remote controller
Are batteries exhausted?(Page 5)
·
has no message to
Is the polarity of a battery placed
·
display or darkens.
correctly?(Page 5)
The indoor unit
Are buttons on the remote
·
has no response to
controller of other electric
the signal from the
appliance pressed?
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.
Please pay attention to the following condition before
asking a serviceman for repair.
· 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.
Is there a failure?
The horizontal vane and
The condition appears so that normal
·
vertical vane pause to
blowing with swing is enabled for the
swing and then start to
horizontal vane and vertical vane.
swing again.
In heating operation, the steam from
White mist from the
·
thawing operation looks like white mist.
outdoor unit.
Air does not flow out
Please wait as the conditioner is
·
quickly in the heating
operating to blow arm air.
operation.
The operation is
Defrosting of the outdoor unit is being
·
stopped for about
done (Defrosting operation). Since this
10 minutes in the
is completed within 10 minutes, please
heating operation.
wait. (When the external temperature is
too low and humidity is too high, frost is
formed).
The cooling load is high, because the
·
The room is not
exhaust fan or stove is in use. So the
cooled or heated
cooling capacity is not enough.
sufficiently.
The cooling or heating capacity is
·
not enough because the outdoor
temperature is too high or too low.
When the air conditioner operates
·
The airflow direction
in cooling mode, if the air is blown
changes during
downwards for one hour, the
operation. The
airflow direction is set to (1) or (2)
remote controller
automatically, which is to prevent
can't adjust the
condensed water drop from dropping.
movement of the
In the heating operation, if the output
·
horizontal vane.
air temperature is too low or when
defrosting is done, the horizontal
vane position is automatically set to
horizontal.
During the cooling operation, pipe
Water leaks from
·
the outdoor unit
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.
Check point
Answer (it's normal)
Advertisement
Table of Contents
