21
TROUBLESHOOTING
EN
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
Possible Causes
Corrective Action
The air conditioner
does not work
normally.
Burning smell and strange
sounds are coming from
the unit.
• Turn off 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 off the air conditioner when a power
failure occurs.
• When the power is restored, 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 off 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 still does not operate,
replace the batteries and try again.
1,MFL67647015,영영 2019. 3. 8. 영영 1:56 Page 21
