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