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20
TROUBLESHOOTING
ENGLISH
Problem Possible causes Corrective action
The air conditioner does not
generate cool air.
Air is not circulating
properly.
Make sure that there are no curtains,
blinds or furniture blocking the front of the
air conditioner.
The air filter is dirty.
Clean the air filter once every 2 weeks.
See “Cleaning Air Filter” for more
information.
The room
temperature is too
high.
In summer, it may take some time to cool
indoor air. In this case, select the jet cool
operation to cool indoor air quickly.
Cold air is escaping
from the room.
Make sure that no cold air is escaping
through ventilation points in the room.
The desired
temperature is higher
than the set
temperature.
Set the desired temperature to a level
lower than the current temperature.
There is a heating
source nearby.
Avoid using a heat generator such as an
electric oven or a gas burner while the air
conditioner is in operation.
Air circulation
operation is selected.
In the air circulation operation, air blows
from the air conditioner without cooling or
heating the indoor air. Switch the
operation mode to the cooling operation.
It is not possible to adjust
the fan speed.
The auto operation,
jet operation or
dehumidifying
operation is selected.
In some operation modes, such as the jet
or dehumidifying operation modes, you
cannot adjust the fan speed. Select an
operation mode in which you can adjust
the fan speed.
It is not possible to adjust
the temperature.
The air circulation
operation or jet
operation is selected.
In some operation modes, such as the air
circulation or jet operation mode, you
cannot adjust the temperature. Select an
operation mode in which you can adjust
the temperature.