LSN120HSV5 Owner's Manual

31TROUBLESHOOTING
ENGLISH
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 Calling for Service
Please check the following before you contact the service center. If the problem persi󰀬s, contact your local
service center.
Problem Possible Causes Corrective Action
The air conditioner
does not work
normally.
Burning smell and 󰀬range
sounds are coming from the
unit.
• Turn o󰀨 the air conditioner, switch OFF, or
disconnect the power supply, and contact the
service center.
Water leaks from the indoor
unit even when the humidity
level is low.
The power cable is damaged
or it is generating excessive
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
unplugged.
• Check whether the power cord is plugged into
the outlet or the power isolators are switched
on.
A fuse exploded, or the power
supply is blocked.
• Replace the fuse or check if the circuit breaker
has tripped.
A power failure has occurred.
• Turn o󰀨 the air conditioner when a power failure
occurs.
• When the power is re󰀬ored, wait 3 minutes,
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 was turned
o󰀨 automatically at a preset
time.
• Turn the air conditioner on.
The battery setting in the
remote controller is incorrect.
• Make sure that the batteries are inserted
correctly in your remote controller.
• If the batteries are placed correctly, but the air
conditioner 󰀬ill does not operate, replace the
batteries and try again.