Well that’s an odd one. Let’s get some info and see if we can get to the bottom of it 
2 quick questions:
When you came home and it was on the meter screen, I’m guessing you had it set to Dim previously?
When you found it on the settings screen, were you able to change it to any other screen after that? That is, was it responsive to normal inputs?
z1) Yes, always set to dim
2) Wasn’t responsive to remote. It was a screen I didn’t recall, but it’s been a long time since initial setup. I can’t remember if it was the official settings screen per se, or something that looked like it, because it said settings up in the corner (it didn’t show Home). In any case, I touched on one of the corner choices, it switched screens and immediately went dim.
Follow up: Got the green plugs yesterday, which touching the panel in the middle got rid of, with the dim kicking in immediately after that. That makes three days in a row for some anomaly, which is most unusual here.
It has now been a month since I upgraded my P20 to the 1.23 firmware release. It has been running continuously since then, and it has been running perfectly. Nary a problem to be seen, as far as the eye can see.
Charlie
Updated my P20 last nite; worked perfectly. TY PSA!
Yes, thank you PS Audio, my P20 has been operating flawlessly since the software upgrade.
What’s new in the most recent firmware upgrade for the P20?
Here is the downloads page: