The LG Service App is a practical tool for the professional service mechanic. With this app you can quickly identify the meaning of an error code. The meaning and possible solutions are immediately displayed. Furthermore, this app lets you connect with the LG Climate Service team for personal support with a single tap. Highlights: The LG Service AE app can also be used when your device is offline. You automatically receive updates when your device is online. Problem diagnosis and solution based on error codes. New: Refrigerant calculator, a handy tool to easily determine refrigerant refill.