I followed the instructions from here; https://support.sonos.com/s/article/1096?language=en_US. (unplug, hold play/pause button, plug-in, hold until orange-white blinking)
The light went through various speed of blinking / fading, and then turned off, after about 5 minutes of holding down the play button. It did not flash orange and white. I tried this many times, with long periods of no power.
An earlier troubleshooting conversation here:
suggests that the playbase has a Connect button, but does not explain where. The support comment says to look at the page referenced above and to “See pictures (click the inserts) for the location of the Connect Button.” I don’t see any pictures on page and don’t know what “inserts” are. I don’t see any clickable links. Does Playbase have a Connect button? Any other suggestions?