User manual LG 50LN5778

[. . . ] • Keep doors or windows closed tightly while you are operating the air conditioner. • Adjust the direction of the air flow vertically or horizontally to circulate indoor air. • Speed up the fan to cool or warm indoor air quickly, in a short period of time. • Open windows regularly for ventilation as the indoor air quality may deteriorate if the air conditioner is used for many hours. [. . . ] It may result in serious injury or product failure. • Do not place any objects on the air conditioner. • Always insert the filter securely after cleaning. Clean the filter every two weeks or more often if necessary. • Do not insert hands or other objects through the air inlet or outlet while the air conditioner is operating. • Do not drink the water drained from the air conditioner. It may result in serious health complications. • Use a sturdy stool or ladder when you clean, maintain or repair the air conditioner at a height. Failure to do so may result in serious injury or product failure. • Do not mix the batteries for the remote control with other types of batteries or mix new batteries with used batteries. Failure to do so may result in product failure. • Adjusting the air deflector arbitrarily may cause product failure. • If you restart the air conditioner, it starts to operate with the previously set direction of air flow, so the air deflector may not match the icon displayed on the remote control. When this occurs, press D or E to adjust the direction of the air flow again. Setting the timer You can use the timer function to save energy and to use the air conditioner more efficiently. Setting the current time 1 Press p and hold it for longer than 3 seconds. - The AM/PM icon flickers at the bottom of the display screen. 12 BASIC FUNCTIONS ENGLISH 2 PressEorFto select the minutes. 3 Press p to finish. Canceling the timer setting 1 Press p. - To cancel all timer settings, press p. Turning on the air conditioner automatically at a set time 1 Press m. - The icon below flickers at the bottom of the display screen. Setting sleep mode Use the sleep mode to turn off the air conditioner automatically when you go to sleep. 2 Press l 3 PressEorFto select the hour (up to 7 hours). - T is displayed on the display screen in sleep mode. 2 PressEorFto select the minutes. 4 When setting the timer, current time and ON icon are displayed on the display screen indicating that the desired time is set. Turning off the air conditioner automatically at a set time 1 Press n. - The icon below flickers at the bottom of the display screen. ! NOTE In the Cooling and Dehumidifying modes, the temperature increases by 1°C after 30 minutes and by a further 1°C after another 30 minutes for a more comfortable sleep. The temperature increases with up to 2°C from the preset temperature. 2 PressEorFto select the minutes. 4 When setting the timer, current time and OFF icon are displayed on the display screen indicating that the desired time is set. ADVANCED FUNCTIONS 13 ENGLISH ADVANCED FUNCTIONS The air conditioner offers some additional advanced functions. Indoor air purification Auto Clean operation (optional) In the cooling and dehumidifying operations, moisture is generated inside the indoor unit. Use the auto cleaning function to remove such moisture. [. . . ] • Make sure to clean the heat exchanger coils of the outdoor unit regularly, as dirt collected in the coils may decrease the operational efficiency or increase energy costs. 20 TROUBLESHOOTING ENGLISH TROUBLESHOOTING Self-diagnosis function This product has a built-in self-diagnosis function. If an error occurs, the lamp of the indoor unit will blink in 2 second intervals. If this occurs, contact your local dealer or service center. Before requesting service Please check the following before you contact the service center. If the problem persists, contact your local service center. [. . . ]