The one over my bed failed, we have twins. It also flashed a red light, very faint. I took it apart, found a loose plug in wire and another wire which had come off. Plugged them both back in and fastened and so far good to go. The "border" pops off and without looking to remind me the actual panel has two screws. But if you pop the panel you'll see how to get the face plate or controllers off.
2020 28' Twin Flying Cloud-(Our 5th Airstream)
2021 F350 6.7 King Ranch
USAF Master Training Instructor (TI) - 68-72