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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 Calling for Service
Please check the following before you contact the service center. If the problem persists, contact your local
service center.
Problem
Burning smell and strange
sounds are coming from the
unit.
Water leaks from the indoor
unit even when the humidity
level is low.
The air conditioner
The power cable is damaged
does not work
or it is generating excessive
normally.
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 exploded, or the power
supply is blocked.
A power failure has occurred.
The air conditioner
The voltage is too high or too
does not work.
low.
The air conditioner was turned
off automatically at a preset
time.
The battery setting in the
remote controller is incorrect.
Possible Causes
TROUBLESHOOTING
Corrective Action
• Turn off the air conditioner, switch OFF, or
disconnect the power supply, and contact the
service center.
• Check whether the power cord is plugged into
the outlet or the power isolators are switched
on.
• 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 minutes,
and then turn on the air conditioner.
• Check if the circuit breaker has tripped.
• Turn the air conditioner on.
• Make sure that the batteries are inserted
correctly in your remote controller.
• If the batteries are placed correctly, but the air
conditioner still does not operate, replace the
batteries and try again.
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Troubleshooting
