I have a Sonos system consisting of 8x Play:1, 1x Play:5 (new version), 1x Connect, 1x Sub. Most of the Play:1’s are stereo pairs.
I used to drive them from a Sonos Bridge. A few months ago, I changed the setup, and connected a Play:1 via Ethernet cable to the router (one of two paired Play:1s). All working fine.
And then it started to act strange, but there was no change in the setup that caused it.
After a few hours of listening, some of the speakers would intermittently drop out, and come back on, with no discernible pattern.
Now, ALL speakers but the wired Play:1 have dropped from the controller app, and cannot be seen.
I have power cycled all devices - Router, Sonos, computers, phones. No change. I have changed the Channels in Sonos Controller. No change.
My wifi network runs on 5Ghz only, so there should be no interference(overlap with Sonos' own network. Of course, there are neighbor's networks over which I have no influence. I live on the top floor tough, so there shouldn’t be too much interference.
I really have no idea what’s happening, and am awaiting advice.