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Troubleshooting
SAFETY PRECAUTIONS
If any of the following conditions occurs, turn o your unit immediately!
The power cord is damaged or abnormally warm
•
You smell a burning odor
•
The unit emits loud or abnormal sounds
•
A power fuse blows or the circuit breaker frequently trips
•
Water or other objects fall into or out of the unit
•
DO NOT ATTEMPT TO FIX THESE YOURSELF! CONTACT AN AUTHORIZED
SERVICE PROVIDER IMMEDIATELY!
Common Issues
The following problems are not a malfunction and in most situations will not require repairs.
Problem
The unit has a 3-minute protection feature that prevents the unit from
overloading. The unit cannot be restarted within three minutes of being
Unit does not
turned o .
turn on when
pressing ON/
Cooling and Heating Models: If the Operation light and PRE-DEF (Pre-heating/
OFF button
Defrost) indicators are lit up, the outdoor temperature is too cold and the unit' s
anti-cold wind is activated in order to defrost the unit.
In Cooling-only Models: If the "Fan Only" indicator is lit up, the outdoor
temperature is too cold and the unit' s anti-freeze protection is activated in
order to defrost the unit.
The unit changes its setting to prevent frost from forming on the unit. Once
the temperature increases, the unit will start operating again.
The unit changes
from COOL mode
The set temperature has been reached, at which point the unit turns o the
to FAN mode
compressor. The unit will resume operating when the temperature fluctuates
again.
The indoor unit
In humid regions, a large temperature di erence between the room' s air and
emits white mist
Both the indoor
and outdoor units
emit white mist
the conditioned air can cause white mist.
When the unit restarts in HEAT mode after defrosting, white mist may be
emitted due to moisture generated from the defrosting process.
Possible Causes
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