Troubleshooting; Self-Diagnosis Function; Before Requesting Service - LG LAN180HYV1 Owner's Manual

TROUBLESHOOTING

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TROUBLESHOOTING

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, con-
tact your local service center.
Problem
Abnormal operating
conditions.
The air conditioner
does not work.
Possible causes
• There is a burning smell
and a strange sound com-
ing from the unit.
• Water leaks from the
indoor 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 is
unplugged.
• A fuse is blown or the
power supply is blocked.
• A power failure has
occurred.
• The voltage is too high or
too low.
• The air conditioner turned
off automatically at a preset
time.
• Battery setting is wrong in
the remote controller.
Corrective action
• Turn off the air conditioner, unplug the
power cord, and contact a qualified
HVAC technician.
• Check whether the power cord is
plugged into the outlet.
• 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.
• Check if the circuit breaker has tripped.
• Press the power button again.
• Check to make sure that the batteries
are inserted correctly in your remote
control.
• If the batteries are placed correctly and
the air- conditioner does not operate,
replace the batteries and try again.