LG LAN090HYV1, Owner'S Manual

Page: 22 / 78

22
TROUBLESHOOTING
ENGLISH
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.
Problem Possible causes Corrective action
Abnormal operating
conditions.
• There is a burning smell
and a strange sound com-
ing from the unit.
• Turn off the air conditioner, unplug the
power cord, and contact a qualified
HVAC technician.
• Water leaks from the in-
door unit even when the
humidity level is low.
• The power cord is dam-
aged or generating exces-
sive heat.
• A switch, a circuit breaker
(safety, ground) or a fuse is
not operated properly.
• The unit generates an error
code from its self-diagnosis.
The air conditioner
does not work.
• The air conditioner is un-
plugged.
• 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 oc-
curred.
• 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.
• 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. • Press the power button again.
• Battery setting is wrong in
the remote controller.
• Check to make sure that the batteries
are inserted correctly in your remote con-
trol.
• If the batteries are placed correctly and
the air- conditioner does not operate, re-
place the batteries and try again.
TROUBLESHOOTING