Instructions / Assembly
-26-
Trouble Shooting
[Air Conditioner is in Error]
Checking before service.
Phenomenon Checking Items
Air conditioner do not
operate at all
1.Check whether the power is disconnected.
2. Check whether the breaker is switched on or the fuse is burnt.
3. Check the remote controller batteries.
4.Check whether radio equipment is used within 1m around the
unit.
Poor cooling or heating
performance
1.Check whether the air inlet or outlet is blocked.
2.Check whether dust is blocking the filter.
3.There may be too many people indoors.
4.Check whether doors or windows are closed.
5.Check whether fan speed or set temperature is improper.
[Remote Controller is in Error]
The following trouble shooting is normal phenomenon.
Phenomenon Checking Items
Fan stops or fan speed
can’t be controlled
1. When air conditioner is in dehumidification mode or sleep
mode, fan speed can’t be controlled sometimes.
2. When air conditioner is in cool airflow proof or defrosting
operation (heat mode), fan motor will stop.
3. When air conditioner is in cool or dehumidification mode, if
air conditioner enters freeze-prevention operation, then fan
speed can’t be controlled.
4. When air conditioner is in heat mode, if air conditioner enters
heating overload prevention operation, then fan speed can’t be
controlled.










