The HEAT operation stops suddenly
and a fl owing sound is heard.
The outdoor unit is taking away the frost. The HEAT •
operation starts after the frost on the outdoor unit is
UHPRYHG You should wait for about 4 to 12 minutes.
Operation does not start soon.
When “ON/OFF” button was pressed soon after
operation was stopped.
When the mode was reselected.
This is to protect the air conditioner.•
You should wait for about 3 minutes.
Possible sounds.
Flowing water
Generated because the refrigerant in the air •
conditioner is fl owing.
•
This is a pumping sound of the water in the air
conditioner it is heard when the water is pumped out
from the air conditioner in cooling or drying operation.
The refrigerant fl ows in the air conditioner even if •
the air conditioner is not working when the indoor
units in other rooms are in operation.
Blowing
Generated when the fl ow of the refrigerant in the •
air conditioner is switched over.
Ticking
•
Generated when the size of the air conditioner slightly
expands or shrinks as a result of temperature changes.
Whistling sound
•
Generated when refrigerant fl ows during defrosting operation.
Clicking sound during operation or idle time
Generated when the refrigerant control valves or •
the electrical parts operate.
Clopping sound
•
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.
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 defrost operation.
In COOL or DRY operation
Moisture in the air condenses into water on the cool surface of outdoor unit •
piping and drips.
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