LG LAN090HYV1, Owner'S Manual

Page: 24 / 78

24
TROUBLESHOOTING
ENGLISH
Problem Possible causes Corrective action
The air-conditioner
stops during operation.
• The air conditioner is sud-
denly turn off.
• The Timer Function may have timed out,
which turns the unit off. Check the timer
settings.
• A power failure has oc-
curred 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 the power is re-
stored.
Indoor unit is still oper-
ating even when the
power has been turned
off.
• Auto-Clean mode is being
operated.
• Allow the Auto-Clean to continue as it re-
moves any remaining moisture inside the
indoor unit. If you do not want this fea-
ture to continue, you can turn the unit
off.
The air outlet on the in-
door unit is discharging
mist.
• The cooled air from the air
conditioner makes mist.
• When the room temperature decreases,
this phenomenon will disappear.
Water leaks from the
outdoor unit.
• In the heating operations,
condensed water drop
from the heat exchanger.
• This symptom need to install drain hose
under the base pan. Contact the installer.
Operating noise or vi-
bration.
• Clicking sound
Clicking sound can be
heard either when the
unit starts or stops due to
movement of reversing
valve.
• Creaking sound
The plastic parts of the in-
door unit creak when
shrinking or expanding
due to sudden tempera-
ture changes.
• Flowing or Blowing sound
This is the flow of refriger-
ant through the air condi-
tioner.
• These are normal symptoms. The noise
will stop.
The indoor unit gives
out odor.
• Odors (such as cigarette
smoke) may be absorbed
into the indoor unit and
discharged with airflow.
• If the smell does not disappear, you need
to wash the filter. If this does not work,
contact a qualified HVAC technician to
clean your heat exchanger.