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 infor-
mation.
• 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 temper-
ature 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 operation mode to the cooling
operation.
• Outside tempera-
ture is too high.
• The cooling effect may not be sufficient.
The air conditioner does not
generate warm air.
• When the heating
mode is started.
• Vane is almost
closed and air flow
does not come out.
• Even though out-
door unit is already
begun to operate.
• This symptom is normal.
• Please wait until the unit is preparing
warm air.
• This function prepare to blow warm air.
• Defrosting mode is
being done in the
outdoor unit.
• 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.
• Outside tempera-
ture is too low.
• The heating effect may not be sufficient.
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