LG / GOLDSTAR KK21V20
Service Manual

Forced Operation ( C/O Model) � To operate the appliance by force in case that the remote controller is lost, the forced operation selection switch is on the main unit of the appliance to operate the appliance in the standard conditions. � When the power is supplied while the slide switch is on the forced operation position, or when the slide switch position is switched to the Auto Restarting position (or test operation) or switched from the remote control position to the forced operation position while the power is on, the forced operation is carried out. � When the slide switch position is switched from the forced operation position to the Auto Restarting position or the remote control position, the forced operation is canceled and the appliance stops operating. � The forced operation is carried out in cooling mode with the setting temperature 22°C and the high speed of airflow. � While in forced operation, the key input by the remote controller has no effect and the buzzer sounds 10 times to indicate the forced operation. Forced Operation ( H/P Model) � To operate the appliance by force in case that the remote controller is lost, the forced operation selection switch is on the main unit of the appliance to operate the appliance in the standard conditions. � When the power is supplied while the slide switch is on the forced operation position, or when the slide switch position is switched to the Auto Restarting (or test operation) position or switched from the remote control position to the forced operation position while the power is on, the forced operation is carried out. � When the slide switch position is switched from the forced operation position to the Auto Restarting position or the remote control position, the forced operation is canceled and the appliance stops operating. � The forced operation is carried out in cooling mode with the setting temperature 22°C and the high speed of airflow. � In the forced operation mode, the indoor fan is operated at low speed for around 15 sec and then the operation condition is set according to the intake air temperature as follows. 24°C Intake Air Temp => Cooling Mode Operation, 22°C, High Speed 21°C Intake Air Temp < 24°C => Dehumidification Operation, 23°C, High Speed Intake Air Temp < 21°C => Heating Mode Operation, 24°C, High Speed � While in forced operation, the key input by the remote controller has no effect and the buzzer sounds 10 times to indicate the forced operation. Test Operation Control � To check the condition of the installation when installing the appliance, the appliance is operated at cooling mode, high speed of airflow, compressor-on for 18 min without controlling the room temperature. � Only when the slide switch on the main unit is switched from the remote control position to the test operation position, test operation is carried out. � When the slide switch position is switched to the remote control position while in test operation, the test operation is canceled and the appliance is stopped. When switched to the forced operation position, the test operation is canceled and the forced operation is carried out. � While in test operation, a key can be input by the remote controller. When a key (operation start/stop, operation mode selection, airflow speed selection, temperature control, Jet Cool) is input by the remote controller, the test operation is canceled and the appliance is operated according to the setting by the remote controller.

- 22 -