LG LA090HYV Owner's Manual page 22

trOublesHOOtInG
Single Zone Art Cool Premier
Table 7: Art Cool Premier Troubleshooting
Issue
There is a burning smell and strange sound coming
from the unit.
Water leaks from the indoor unit even when the
humidity level is low.
The power cord is damaged or generating excessive
heat.
A switch, a circuit breaker (safety, ground) or a fuse
is not operating properly.
The air conditioner does not work.
The air conditioner does not generate cool air.
22
Cause
N/A
A fuse has blown or the power
supply is blocked.
A power failure has occurred.
The voltage is too high or too low. Check if the circuit breaker has tripped.
The air conditioner turned off
automatically at a preset time.
Battery setting is wrong in the
remote controller.
Air is not circulating properly.
The air filter is dirty.
The room temperature is too high. In summer, it may take some time to cool indoor
Cold air is escaping from the
room.
The desired temperature is
higher than the set temperature.
There is a heating source
nearby.
Air circulation operation is
selected.
Outside temperature
is too high.
Due to our policy of continuous product innovation, some specifications may change without notification.
Corrective Action
Immediately turn off the air conditioner. Contact
your installing contractor.
Replace the fuse or check if the circuit breaker
has tripped.
Turn off the air conditioner when a power failure
occurs. When the power is restored, wait 3 min-
utes, and then turn on the air conditioner.
Press the power button again.
• Check to see that battery is inserted with the
correct terminals (+) and (-).
• Replace with fresh batteries.
Make sure that there are no curtains, blinds or
furniture blocking the front of the air conditioner.
Clean the air filter once every 2 weeks. See
"Cleaning Air Filter" for more information.
air. In this case, select the jet cool operation to
cool indoor air quickly.
Make sure that no cold air is escaping through
ventilation points in the room.
Set the desired temperature to a level lower
than the current temperature.
Avoid using a heat generator such as an electric
oven or a gas burner while the air conditioner is
in operation.
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.
Air conditioner cooling capacity may not be suffi-
cient to handle hot weather.