LG DUAL COOL INV 140 Owner's Manual page 35

Symptoms
The air conditioner
does not emit cool air.
The fan speed cannot
be adjusted.
The temperature
cannot be adjusted.
The air conditioner
stops during operation.
Possible Causes & Solution
Air is not circulating properly.
• 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 "Clean the Air Filter" for more information.
The room temperature is too high.
• In summer, cooling the indoor air fully may take some time. In this case,
select the Jet Mode to cool the indoor air quickly.
Cold air is escaping from the room.
• Make sure that no cold air is escaping through the ventilation points in the
room.
The desired temperature is higher than the current temperature.
• 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
conditioner is in operation.
Fan Mode is selected.
• During Fan Mode, air blows from the air conditioner without cooling or
heating the indoor air.
• Switch the operation mode to cooling operation.
Outside temperature is too high.
• The cooling effect may not be sufficient.
The Jet Mode, or Auto Operation Mode is selected.
• In some operation modes, you cannot adjust the fan speed. Select an
operation mode in which you can adjust the fan speed.
The Fan Mode or Jet Mode is selected.
• In some operation modes, you cannot adjust the temperature. Select an
operation mode in which you can adjust the temperature.
The air conditioner is suddenly turned off.
• The Timer Function may have timed out, which turns the unit off. Check the
timer settings.
A power failure has occurred during operation.
• Wait for the power to come back. If you have the Auto Restart function
enabled, your unit will resume its last operation several minutes after power
is restored.
EN
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