Melitta Coffee Machine Water Filter A: Unplug the coffee maker from the facility outlet and wait around a couple of minutes. Plug it back in and Check out In case the Screen starts off Operating. If your display continues to be unresponsive, Speak to Melitta customer support for help. https://coffee-machine-melitta-so.vidublog.com/34854309/melitta-coffee-machine-parts-melitta-coffee-machine-manual-an-overview