You can clear the filter cleaning indicator when that is displayed on the screen.
Press the p button repeatedly until the x icon is flashing on the screen.
Press OK/CLEAR button to complete the setting.
If the filter is covered by dust, it will reduces cooling or heating efficiency and accumulates more electric power.
Therefore, clean the filter whenever cleaning time is expired.
Filter cleaning indication is automatically cancelled without separate cancellation after certain period of time.
To escape from the setting mode during setup, press the ESC button.