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Trouble shooting
Before asking for service, check the following first.
Phenomenon
The system
does not restart
immediately.
Noise is heard
Normal
Performance
inspection
S mells are
generated.
Mist or steam are
blown out.
In dry mode, fan
speed can't be
changed.
Poor cooling
Multiple
check
Cause or check points
When unit is stopped, it won't restart
elapsed to protect the system.
When the electric plug is pulled out and reinserted, the protection circuit
will work for 3 minutes to protect the air conditioner.
During unit operation or at stop, a swishing or gurgling noise may
be heard.At first 2-3 minutes after unit start, this noise is more noticeable.
(This noise is generated by refrigerant flowing in the system.)
During unit operation, a cracking noise may be heard.This nois e is
generated by the casing expanding or shrinking because of
temperature changes.
Should there be a big noise from
filter may be too dirty.
This is because the system circulates smells from the interior
air such as the smell of furniture, paint, cigarettes.
During COOL or DRY operation,
This is due to the sudden cooling
In DRY mode, when room temperature
o
setting+2
C,unit will run
intermittently at LOW speed
regardless of FAN setting.
Is power plug inserted?
Is there a power failure?
Is fuse blownout?
Is the air filter dirty?
Normally it should be cleaned every 15 days.
Are there any obstacles before
Is temperature set correctly?
Are there some doors or
windows left open?
Is there any direct sunlight through the window during the
cooling operation?(Use curtain)
Are there too much heat sources or too many people in the room
during cooling operation?
15
immediately until 3 minutes have
air flow in unit operation, air
indoor unit may blow out mist.
of indoor air.
becomes lower than temp.
inlet and outlet?
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