TROUBLESHOOTING Normal OperationIs it okay?• Air conditioner has been restarted, but does notoperate for 3 minutes.• A sound like water flowing can be heard.• It seems that fog is coming out from the airconditioner.• The room has a peculiar odour.• During Automatic Airflow setting, indoor fanstops occasionally.• The outdoor unit emits water or steam. Abnormal OperationIs it okay?• The air conditioner does not operate.• Air conditioner produces loud noise duringoperation.• The air conditioner does not cool effectively.This is the answer• This is to protect the air conditioner. Wait until the airconditioner begins to operate.• This is the sound of refrigerant flowing inside the airconditioner.• Condensation occurs when the airflow from the airconditioner cools the room.• This may be a damp smell emitted by the wall,carpet, furniture or clothing in the room.• This is to remove smell emitted by the surroundings.• In COOL/DRY operation, moisture in the aircondenses into water on the cool surface of outdoorunit piping that causes dripping.Please check• Has the circuit breaker been tripped?• Is the timer being used correctly?• Is the installation work slanted?• Is the front grille closed properly?• Has the temperature been set incorrectly?• Are the filters dirty?• Are the intake or outlet vents of the outdoor unitobstructed?• Are all windows and doors closed? Call the Dealer ImmediatelyIf the following conditions occur, turn off the main powersupply, and then call the dealer immediately.• Abnormal noise is heard during operation.• Water or foreign material gets into the remotecontrol by mistake.• Water leak from the indoor unit.• Switches or buttons do not operate properly.• The circuit breaker switches off frequently.• Power supply cord become unusually warm.29CS-C12BKPG CU-2C24BKP5G / CS-C14BKPG CU-2C23BKP5G / CS-C9BKPG