Troubleshooting
These cases are not troubles.
The following cases are not air conditioner troubles but have some reasons. You may just continue using it.
Case Explanation
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.
Hot air does not fl ow out soon after the
start of heating operation.
The air conditioner is warming up. You should wait for 1 to 4 minutes.•
(The system is designed to start discharging air only after it has reached a certain temperature.)
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 removed. You should wait for about 4 to 12 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
Generated when refrigerant fl ows during defrosting operation.•
Clicking
Generated when the refrigerant control valves or the electrical parts operate.•
Clopping
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.
•
Mist comes out of the indoor unit.
This happens when the air in the room is cooled into mist by the cold airfl ow
during cooling operation.
This is because the air in the room is cooled by the heat exchanger and
becomes mist during defrost operation.
The indoor unit gives out odor.
This happens when smells of the room, furniture, or cigarettes are absorbed
into the unit and discharged with the airfl ow. If this happens, have the indoor
unit washed by a technician from the service shop where you purchased the air
conditioner.
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