LG USNW126J3A0, Owner'S Manual

Page: 22 / 240

22
TROUBLESHOOTING
ENGLISH
Problem Possible causes Corrective action
There is a burning smell and
a strange sound coming
from the unit.
-
Turn off the air conditioner, unplug the
power cord and contact the service center.
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 operated properly.
The air conditioner does not
work.
The air conditioner is
unplugged. Check whether the power cord is plugged
into the outlet.
A fuse is blown or the
power supply is
blocked.
Replace the fuse or check if the circuit
breaker has tripped.
A power failure has
occurred.
Turn off the air conditioner when a power
failure occurs. When the power is restored,
wait for 3 minutes, and then turn on the air
conditioner.
The voltage is too
high or low.
Check if the circuit breaker has tripped.
The air conditioner
turned off automati-
cally at a preset time.
Press the power button again.
Self-diagnosis function
This product has a built-in self-diagnosis function. If an error occurs, the lamp of the indoor unit
will blink in 2 second intervals. If this occurs, contact your local dealer or service center.
Before requesting service
Please check the following before you contact the service center. If the problem persists, contact
your local service center.
TROUBLESHOOTING