User`s manual

USER’S MANUAL
-19-
TROUBLE SHOOTING
〖Air Conditioner is in Error〗
Checking before service.
Phenomenon Checking Items
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.
Air Conditioner Does
Not Operate At All
4. Check whether radio equipment is used within 1m around the unit.
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.
Poor Cooling or
Heating Performance
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
1. When air conditioner is in DRY mode, fan speed can’ t be controlled
sometimes.
2. When air conditioner is in COOL AIRFLOW PROOF operation
(in HEAT mode), fan motor will stop.
3. When air conditioner is in COOL or DRY mode, if air conditioner
enters freeze-prevention operation, then fan speed can not be
controlled.
Fan stops or fan
speed can not be
controlled.
4. When air conditioner is in HEAT mode, if air conditioner enters
heating overload prevention operation, then fan speed can not be
controlled.