We weren’t going to trouble anyone else with this issue, until it happened to our 2nd of 3 Mark 1 units.
Seemingly out of the blue, the eyes, screen and button of the Mark1 enclosure do not function. However, the mic and speaker still function normally, and the device itself runs just fine (responds to wake words, transcribes, uses skills correctly). Pushing or turning the enclosure button does not result in any audible response, and the eyes and screen are never active.
I tried burning a new image from here to a new SD card, results are the same.
What could be the problem here?
I can post logs, although I don’t yet know which are relevant.