I keep the P15 on but the display off as a matter of course. In the past 12 hours, I’ve come into my living room to find the P15 meter screen showing and the unit unresponsive to the remote.Using the switch on back gets it going again. This also happened several weeks ago, before I went on an extended trip. I’ve also found when it happens that the screen can be manipulated by hand,. I’ve tried the new P20/15 firmware, so will see if it reoccurs.
One thing that surprised me is that when I’ve illuminated the screen outside of this freezing it’s always shown the outlets, but now the home screen switches to the meters after about 20 seconds. Why? Why not leave it under user control?