Owner's Manual

TROUBLESHOOTING
19
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 room tempera-
ture 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 tempera-
ture 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 opera-
tion is selected.
In the air circulation operation, air blows
from the air conditioner without cooling or
heating the indoor air. Switch the opera-
tion mode to the cooling operation.
It is not possible to adjust
the fan speed.
The auto operation,
jet operation or dehu-
midifying operation is
selected.
In some operation modes, such as the jet
or dehumidifying operation modes, you
cannot adjust the fan speed. Select an op-
eration mode in which you can adjust the
fan speed.
It is not possible to adjust
Tak-tak noise from indoor
unit
the temperature.
The air circulation op-
eration or jet opera-
tion is selected.
Contraction or
expansion of plastic
components due to
change in temperature
In some operation modes, such as the air
circulation or jet operation mode, you can-
not adjust the temperature. Select an op-
eration mode in which you can adjust the
temperature.
It is a natural phenomenon, and can only
be reduced but not overcome compleately
The dual protection
once every 2 weeks.See “Cleaning
When air conditioner is not going to be
used for a long time.
When the air conditioner is not going to be used for a long time.
When the air conditioner is to be used again.
Operate the air conditioner on Air circulation
mode (Refer to page 10) for 2 to 3 hours.
This will dry out the internal mechanisms.
Turn off the circuit breaker, and disconnect
the plug.
Remove the batteries from the remove
control.
Turn off the circuit breaker when the air conditioner
is not going to be used for a long time.
Dirt may collect and may cause a fire.
Clean the dual protection filter and install it
in the indoor unit.
(Refer to page 17 for cleaning filters.)
Check that the air inlet and outlet of the
indoor/outdoor unit are not blocked.
CAUTION