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My Sonos Connect (gen 1) has been disconnecting after 15-20 minutes of use, and gives the unable to connect to Sonos error. This has been happening off and on for the last few months. Any suggestions on how to fix? The diagnostics number is 81727249. 

Unplug all Sonos devices from power.

Reboot your router.

Plug the Sonos devices back in to power. 


That worked for maybe 20 minutes, then it was unable to connect again. 


I just noticed the Ethernet lights on the back aren’t lit. I’ve tried multiple cords but no luck. 


Hmm, that means it wasn’t what I thought it might be. We’ll have to wait for a forum moderator to look at the diagnostic you listed. Or you could call in to Sonos directly.