LG LAN090HYV1, Owner'S Manual

Page: 23 / 78

TROUBLESHOOTING
2 3
ENGLISH
Problem Possible causes Corrective action
The air conditioner
does not generate cool
air.
• Air is not circulating prop-
erly.
• Make sure that there are no curtains,
blinds, or pieces of 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 temperature is
too high.
• In the summer, it may take some time to
cool the indoor air fully. In this case, se-
lect 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 tem-
perature.
• Set the desired temperature to a level
lower than the current temperature.
• There is a heating source
nearby.
• Avoid using heat generators like electric
ovens or gas burners while the air condi-
tioner 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.
• Outside temperature is
too high.
• The cooling effect may not be sufficient.
The air conditioner
does not generate
warm air.
Note : Heating is not
available in all mod-
els.
• When Heating Mode is
started, the vane is almost
closed and no air comes
out, even though the out-
door unit is operating. • This symptom is normal. Please wait
until the unit has prepared enough warm
air to blow through the indoor unit.
• The outdoor unit is in De-
frosting Mode.
• In heating mode, ice/frost is built up on
the coils when the outside temperature
fall down. This function removes a layer
of frost on the coil, and should be com-
plete in approximately 15 minutes.
• Outside temperature is
too low.
• The heating effect may not be sufficient.
It is not possible to ad-
just the fan speed.
• The Auto Operation, Jet
Operation, or Dehumidifi-
cation Operation is se-
lected.
• In some operation modes you cannot ad-
just the fan speed. Select an operation
mode in which you can adjust the fan
speed.
It is not possible to ad-
just the temperature.
• The Air Circulation Opera-
tion or Jet Operation is
selected.
• In some operation modes you cannot ad-
just the temperature. Select an operation
mode in which you can adjust the tem-
perature.