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Sonos control shuts down Logitech Harmony Activity


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I experience following bug related to Sonos.

How to reproduce : I have a Sonos Connect hooked to hifi system (yamaha amp). When these are active in an activity to play Sonos Connect sound on the hifi, and then I group this Connect to an other Sonos player (I have Play:3 and I use Sonos desktop app to group) then this causes the yamaha amp to get switched off. Apparently the activity gets stopped, thus switching off the amp. This is not the behaviour I expect. I expect the system to continue playing (in the new Sonos group).

I looked for configuration solutions in MyHarmony but the only way to have the amp not switch off is to configure it to remain always on. That is not a suitable solution.
Is there any configuration solution for this pls. Otherwise, please fix the bug.
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Best answer by garethrees 14 September 2018, 15:27

Hello All, just to follow up on this I've found two ways to work around the issue.

1) Create a new activity in Harmony which only turns on the Amp to the correct input for the Sonos, that way the harmony is not connecting this activity with Sonos is any way and when the Sonos App is used to group the device it does not switch off the amp/activity. The down side of this is that you can no longer turn off the Sonos with harmony for this activity.

2) Delete the exiting Sonos activity and create a new one, being sure to group ALL of your Sonos devices on startup, once this had been done the amp/activity will stay on regardless of the un-grouping and re-grouping of the Sonos devices. The down side of this is that you have to start the activity with all devices grouped so if you were listening to something it will override that with the new group all. The Plus side is you can balance the vol via the Amp and Sonos is one action.

In my testing I discovered that I had one Sonos device setup on the activity in Harmony and if you tried to group that Sonos device it would shutdown the activity and therefore the Amp. So I deleted that activity and created two new ones as described above. This works and I can now un-group and re-group the Sonos connected to the Amp without it shutting down.

Hope this helps.

Regards Gareth
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It's hardly a bug. Sometimes grouping operations can very briefly interrupt music playback. Your CONNECT is clearly resuming its audio output, since leaving the Yamaha amp on is a solution.

Is the Yamaha initially turning itself on by auto-sensing a signal from the CONNECT? If so, the signal sensing seems a bit delicate if a brief audio interruption causes it to turn itself off, and yet the resumption of the signal doesn't turn it back on again.
Hi. I suspect this is not a Sonos bug but possibly a misconfiguration of your Harmony device or an error in using it. Do you have any problems if you use the Sonos app?
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Thank you.

Whether desktop app or Sonos tablet app makes no difference.

It doesn't seem to be a matter of signal sensing because the harmony activity actually stops (so it's not the amp shutting down by itself).

Even more unexpected is the behaviour like this :
1. Start state : Connect is paused. It's connected to Amp which is on, in an active harmony activity. Play3 is playing music. Connect and Play3 not grouped.
2. Group Connect and Play3 (Keep playlist from Play3, so the Connect unpauses)
3. Result : harmony activity stops.
I don't see any logic in that.
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Hey there, Dirk123. Thanks for posting. Would you mind replicating the problem and submitting a diagnostic report? I'm curious to see what happens from the Sonos side of things after the group command is sent.

Be sure to reply here with the confirmation number and I will be happy to take a closer look. Thanks!
I’m having the same problem, with a Logitech Harmony Ultimate and an Onkyo receiver. Something about grouping my Sonos Connect to my Sonos One (in order to use AirPlay 2) is stopping the Harmony activity and shutting down the receiver.
I am expericing a very similar issue. I agree with the previous poster in that I think it has something to do with grouping speakers in order to use AirPlay 2 because that’s when I am expericing the issue
Same problem here. Seems like it started happening around the airplay update. I’m using a Marantz SR6010 and a ZP90/Connect. Sonos is connected to my AVR via optical. As soon as I group my connect with the other speakers it shuts down the harmony activity. I tried recreating my Harmony activity...I deleted Sonos from Harmony completely. I just program Harmony to switch to my cd input and it still shuts off. Pretty confusing.
Just to add another view to confirm this behavior.

I have a Harmony Activity to turn on the AMP and set it to the Sonos Connect Input which works as expected.

Then if you open up the Sonos App and Group the Sonos Connect into the main group it triggers the Harmony Remote to Shutdown that Activity which in turn sends the IR codes to the Amp to shutdown. I know this is done via IR because I have a blue repeater light which is trigger whenever IR signal is sent and I can see on the Harmony Remote "Shutting Down" as soon as the group is connected.

Something is triggering the Harmony to shutdown the activity and the only thing changing is the Sonos Group to the device.

Has anyone else found a workaround to this apart from ensuring that Group is complete before powering up the activity?
Just to add that if you reverse the sequence and group all of your sonos devices first then switch on the Harmony Activity it will turn on the amp and un-group all the other devices in favor of the one connected to the amp.
Hello All, just to follow up on this I've found two ways to work around the issue.

1) Create a new activity in Harmony which only turns on the Amp to the correct input for the Sonos, that way the harmony is not connecting this activity with Sonos is any way and when the Sonos App is used to group the device it does not switch off the amp/activity. The down side of this is that you can no longer turn off the Sonos with harmony for this activity.

2) Delete the exiting Sonos activity and create a new one, being sure to group ALL of your Sonos devices on startup, once this had been done the amp/activity will stay on regardless of the un-grouping and re-grouping of the Sonos devices. The down side of this is that you have to start the activity with all devices grouped so if you were listening to something it will override that with the new group all. The Plus side is you can balance the vol via the Amp and Sonos is one action.

In my testing I discovered that I had one Sonos device setup on the activity in Harmony and if you tried to group that Sonos device it would shutdown the activity and therefore the Amp. So I deleted that activity and created two new ones as described above. This works and I can now un-group and re-group the Sonos connected to the Amp without it shutting down.

Hope this helps.

Regards Gareth
Hello All, just to follow up on this I've found two ways to work around the issue.

1) Create a new activity in Harmony which only turns on the Amp to the correct input for the Sonos, that way the harmony is not connecting this activity with Sonos is any way and when the Sonos App is used to group the device it does not switch off the amp/activity. The down side of this is that you can no longer turn off the Sonos with harmony for this activity.

2) Delete the exiting Sonos activity and create a new one, being sure to group ALL of your Sonos devices on startup, once this had been done the amp/activity will stay on regardless of the un-grouping and re-grouping of the Sonos devices. The down side of this is that you have to start the activity with all devices grouped so if you were listening to something it will override that with the new group all. The Plus side is you can balance the vol via the Amp and Sonos is one action.

In my testing I discovered that I had one Sonos device setup on the activity in Harmony and if you tried to group that Sonos device it would shutdown the activity and therefore the Amp. So I deleted that activity and created two new ones as described above. This works and I can now un-group and re-group the Sonos connected to the Amp without it shutting down.

Hope this helps.

Regards Gareth


This worked great, cheers mate.
Having the same problem as other posters, except that I'm not using Airplay. Sonos Connect tied into an NAD receiver, using a Harmony Hub to control the receiver, streaming music from an NAS along with Sonos native services. Have several Play 1s around the house. When I go to group a Play 1 with the Connect/NAD, it turns off the receiver -- regardless if I'm streaming music from my NAS or using one of the Sonos built in services (Tidal, Stitcher, etc.).
Having the same problem as other posters, except that I'm not using Airplay. Sonos Connect tied into an NAD receiver, using a Harmony Hub to control the receiver, streaming music from an NAS along with Sonos native services. Have several Play 1s around the house. When I go to group a Play 1 with the Connect/NAD, it turns off the receiver -- regardless if I'm streaming music from my NAS or using one of the Sonos built in services (Tidal, Stitcher, etc.).

Did you try one of the two workarounds in my post above?

I think an update to Sonos has triggered previous configurations of Harmony to "shutdown" the Harmony activity when Sonos Grouping occurs. I'm not sure if this is a Sonos or Harmony bug but something has been updated it has changed the way it worked for sure.
Thanks, Garethrees. Looking less for a workaround fix and more for Sonos to properly address the problem.
Having the same problem, but with a different set-up. This happens with my playbar if I turn on any tv input using harmony after the playbar was grouped with any other speaker (regardless of if the grouped speakers are currently playing audio). My sonos system is set to ungroup the playbar automatically if the audio input receives audio. I assume this un-grouping is somehow triggering harmony to power-down the activity. Like others have reported, this didn't happen before the airplay update.
Why has Sonos not addressed this issue in a software update or something? I have had this problem now for about 9 months now and it's extremely annoying. Can anyone from Sonos please respond with a status on resolving the issue permanently? (the "workaround" option unfortunately didn't fix the issue for me)
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I am having the same issue.

For me it seems more like a Logitech Harmony issue. Has anybody tried contacting them?
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Odd that this has been going on for a while. I just recently noticed this happening. Turn on Sonos with Harmony app, group another area to that sonos hooked to amp, activity stops. I have had sonos and harmony for a number of years. It never used to do this. Very annoying. I will probably submit a bug to both Logitech and sonos. It does it regardless of using the phone app or the purpose built remote. Sonos has always been very responsive.

You up can always group first then turn on. I know. Pain.

Tested this.

If if I turn on sonos attached to amp and group it to another area, harmony turns off amp.

If if I turn on sonos attached to amp and start something playing then group another area to that sonos, it doesn’t turn off.

So so it only seems to stop the activity when you group that sonos attached to the amp to another area. Odd.
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I sent Sonos a diag report and explained the situation. They responded very quickly, like always, and said they cannot see anything odd in the report. I was planning on reaching out to Logitech too today which Sonos support suggested too. They also said try and remove and re-add the room. Which I haven't done but I know others above have. I will also double check the Harmony is up to date.

It is just odd because the grouping function is done via the Sonos app, not Logitech so why does the Harmony tell the system to shut down. Unless it has to do with both the Sonos Connect and my Yamaha amp being on the network. I will disconnect the amp from the network to see if anything changes.
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No change disconnecting amp from network. So the Harmony remote is definitely sending a shut down sequence command via IR.

I also deleted the activity and re-added it. No change there either. Sonos asked me to run another diag right after it did it again. I did and will report back.
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I submitted logs and opened a case with Logitech too. I know this is an old thread, last post was a month ago, but I can guarantee that this didn't used to function like this and it bugs me.

Let's see if we can get Sonos and Logitech to talk with each other.
Thank you for sending that stuff over to both parties to investigate further! It's still driving me nuts. haha
mwunder, sounds like you know a lot more about the technical side of how this all works than I do so I thought I would share this other post from Reddit I found related to this issue to see if it makes any sense to you or can help them fix the problem. Here is the Reddit post link.
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That Reddit post is definitely another work around.

I did get a response from Logitech below (also forwarded to Sonos support) and asked for clarification because the response is a bit oddly worded. My translation, and you can judge for yourself, is that when you have started a Harmony activity for Sonos in the Family Room and then via the Sonos app say you want Family Room to group to another room, Harmony interprets that as taking control of the Family Room zone by another device and therefore assumes it needs to shut down the activity. Thoughts?

Email from Logitech support:

Thank you for waiting.

just received the feedback from our Product Management Team confirming that the group which was created in the Sonos App will not be able to link to the Harmony for the group is not same in Harmony. I'm afraid we don't have work around for this as of the moment. Hopefully our team and Sonos will be able to come with a resolution for this in the future. Admittedly, I'm unable to provide a timeline for this.

I really wish, I have more options to rectify your concern.
I have had this problem for more than a year, and have tried troubleshooting with both Sonos and Logitech. I have a Denon receiver, Harmony Ultimate (and Ultimate Home), with 2 separate hubs in different rooms (Yamaha receiver in second room).

The bug (or annoying activity) occurs just as mentioned above.....any time I try to change the grouping of Sonos speakers after turning on my activity (which uses my living room Connect. This immediately triggers the remote to power off everything. I then need to turn the receiver on manually or with the remote. Neither Sonos or Logitech seem to know anything about it (at least the upper level techs I spoke with). They did not come up with any solutions.

I do see you have suggested two work a rounds, neither of which are optimal, but perhaps I will break down and try one of them eventually if this bug is not fixed.

Has anyone figured out any other solutions or work a rounds that may work?

Thanks.

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