The following are not troubles
Trouble shooting
Restart right after stopping
Press SET TEMP.and then release immediately.
Power is switched on
When cooling
after the unit is stopped
Buzz is heard at starting
Sound of running water can be heard
during operation
A
shuh
sound which is heard at the start
or immediately after the stop of operation or
which is heard at the start or immediately
after the stop of defrosting operation.
A continuous low
shah
sound is heard
when the system is in cooling operation or
at a stop.
Cracking noise can be heard during or after
operation.
Starting operation after not using for a long
time.
During operation
Trouble
Cause
The unit does not
operate when
Mist is emitted
Outdoor unit is hot
Noise
Dust from the units
Wind from the outlet
smells
Once the unit is stopped, it will not operate
for about 3 minutes to protect it
Wa
i
t for 1 minute
Room air is chilled rapidly and becomes
foggy.
Compressor is emitting heat to get ready
for restarting.
It’s the starting sound of thermostat and
will turn low after 1 minute.
This is caused by the refrigerant flowing
inside the unit
This is the noise of refrigerant caused by
flow stop and flow change.
The noise is heard when the drainage pump
is in operation.
This is caused by the panel expanding or
contracting due to the change in
temperature.
Dust absorbed by the unit blows out
This is caused by the odors in the room
which have gotten onto the air conditioner
T
rouble shooting
17
18
