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Troubleshooting
„ These cases are not troubles.
• The following cases are not air conditioner troubles but have some reasons. You may just continue using it.
Indoor unit
The flaps do not start swinging
immediately.
• T he air conditioner is adjusting the position of the
flaps. The flaps will start moving soon.
The air conditioner stops generating
airflow during HEAT operation.
• O nce the set temperature is reached, the airflow
rate is reduced and operation stopped in order to
avoid generating cool airflow. Operation will resume
automatically when the indoor temperature falls.
Operation does not start soon.
„ When
button was pressed soon after
operation was stopped.
„ When the mode was reselected.
• T his is to protect the air conditioner.
You should wait for about 3 minutes.
HEAT operation stops suddenly
and a flowing sound is heard.
• T he outdoor unit is defrosting.
HEAT operation starts after the frost on the outdoor unit
has been removed. This can take about 4 to 12 minutes.
Outdoor unit
The outdoor unit emits water or steam.
„ In HEAT operation
• The frost on the outdoor unit melts into water or steam when the air conditioner is
in defrosting operation.
„ In COOL or DRY operation
• M oisture in the air condenses into water on the cool surface of the outdoor unit
piping and drips.
35
Different sounds are heard.
„ A sound like flowing water
• T his sound is generated because the refrigerant in
the air conditioner is flowing.
• This is a pumping sound of the water in the air
conditioner and heard when the water is pumped out
from the air conditioner during COOL or DRY operation.
• T he refrigerant flows in the air conditioner even if the
air conditioner is not working when the indoor units
in other rooms are in operation.
„ Blowing sound
• T his sound is generated when the flow of the
refrigerant in the air conditioner is switched over.
„ Ticking sound
• T his sound is generated when the cabinet and frame
of the air conditioner slightly expand or shrink as a
result of temperature changes.
„ Whistling sound
• T his sound is generated when refrigerant flows
during defrosting operation.
„ Clicking sound during operation or idle time
• T his sound is generated when the refrigerant control
valves or the electrical parts operate.
„ Clopping sound
• This sound is heard from the inside of the air conditioner
when the exhaust fan is activated while the room doors
are closed. Open the window or turn off the exhaust fan.
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