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Case
Air circulation mode
is selected.
Setting temperature
is inappropriate.
The air conditioner
does not generate
cool air or warm
air.
Cool or warm air is
escaping from the
room.
The air filter is
blocked by dust or
something.
Room air does not
circulate properly.
There is a heating
The air conditioner
source inside.
does not generate
cool air.
Outside temperature
is too high.
When the heating
mode is started.
Vane is almost
closed and air flow
does not come out.
Even though outdoor
unit is already begin
to operate.
The air conditioner
does not generate
warm air.
Defrosting mode is
being done in the
outdoor unit.
Outside temperature
is too low.
Symptoms
In the air circulation operation. Air
blows from the air conditioner without
cooling or heating the indoor air. Switch
the air circulation mode to the cooling
or heating operation.
If room temperature is close to the set
temperature, the conditioning ability of
air-conditioner will be slow down fan
speed to save energy.
Check out that the desired temperature
has been set.
Close all unnecessary openings such as
doors, windows or fireplace dampers.
Clean the air filter every 2 weeks. See
"Cleaning Air Filter" for more informa-
tion.
Make sure that there are no curtains,
blinds or furniture blocking in front of
the air conditioner.
Avoid using a heat generator such as an
electric oven or a gas burner while the
air conditioner is being operated.
The cooling effect may not be suffi-
cient.
This symptom is normal. Please wait
until the unit is preparing warm air.
This function prepare to blow warm air.
In heating mode, ice/frost is built up on
the coils when the outside temperature
fall down.
This function remove a layer of frost on
the coil.
Please wait until this operation is com-
pleted. It takes about 15 mins.
The heating effect may not be suffi-
cient.
TROUBLESHOOTING
Corrective action
21
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