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TROUBLESHOOTING
22
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, contact
your local service center.
Problem
Abnormal operating condi-
tions.
The air conditioner does not
work.
Possible causes
• There is a burning
smell and a strange
sound coming from
the unit.
• Water leaks from
the indoor unit even
when the humidity
level is low.
• The power cord is
damaged or gener-
ating excessive
heat.
• A switch, a circuit
breaker (safety,
ground) or a fuse is
not operated properly.
• 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 automati-
cally 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 the service cen-
ter.
• 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.
• Is the battery inserted in Remoted con-
troler? Is the battery inserted with the
correct terminal (+)(-)?
• Even if you check the upper lists, the air-
conditioner does not operate. Please re-
place new batteries.
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