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I purchased a Beam Gen 2 last week. After a bit of messing around I got it successfully connected via the ARC HDMI connection (not eARC - my TV doesn’t have that). But since then it keeps dropped out and then reconnecting. I have tried disconnecting everything and powering off and going through setup again. It will then work for 30 mins or so then drop off. TV shows the message TV Speakers Active and the Beam is no longer visible in External Devices in the Bravia Sync section. If I try to reconnect via the Sonos app I get the message that something is interfering with the connection, unplug all home theatre equipment. I don’t have any other home theatre equipment and I have even tried unplugging my DVD player so the Beam is the only connection, but still get this issue. If I do nothing and just leave the TV on the internal speakers, the Beam reconnects after 20 mins or so then disconnects a little later.

TV and Beam are fully updated, I’m using the supplied Sonos HDMI cable. Any suggestions?

So, just to be clear, the Beam is dropping off the TV, but still showing in the Sonos controller?

I’d be thinking about connection issues between the Beam and the TV in some way. I’d start by checking the TV itself for any updates, just to be sure the CEC computer in it is running the latest and greatest implementation of CEC. 

You’ve disconnected everything, which I assume means reseating the HDMI cables at both ends. It’s still possible that some other device is ‘crippling’ CEC by sending errant messages, though. I’d leave all devices (the DVD player, which is a home theater device, anything that connects via HDMI is) unplugged until this can be resolved. Do you have a cable box feeding the signal to your TV? Or an Apple TV? Or some other device? Can you turn off CEC on that device, if possible?

I’d be doing two things. First, in case it is a Sonos issue, I would recommend that you submit a system diagnostic within 10 minutes of experiencing this problem, and call Sonos Support to discuss it.

There may be information included in the diagnostic that will help Sonos pinpoint the issue and help you find a solution.

When you speak directly to the Support staff, they have tools at their disposal that will allow them to give you advice specific to your network and Sonos system.

Second, in case it is a TV set issue, I would recommend that you contact the Sony CS folks. 

Thanks for the information. I have a feeling the issue is with the TV as the DVD player also drops off at the same time. The TV is a few years old so probably a fault there.

 

Thanks for the advice. Turned out to be the DVD player. With it disconnected ever thing worked fine. Have fitted a CEC blocker to the dvd cable and all working

Might be worth checking in the DVD player’s software if there is a ‘turn off CEC’ option. It might be there…or if it may not. It also might be worth checking, while you’re in there, for an update to the DVD player’s firmware. On the other hand, if it is working for you as is, you may not want to do anything ;)

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