Try disabling and re-enabling the Alexa Skill for Sonos.

Hi AjTrek1, could you please explain why you think disabling and re-enabling the Alexa skill will solve this? I’m a little worry because when it stops, the only way to be able to have speaker give out sound again is by giving command through Alexa. The sono app will not giving out any sound on speaker even if it shows as play. I should have enough wifi capability so wifi should not be an issue. I’m worry without alexa, I will not even the get the sound again. Thanks so much.

As I said “try” disabling and re-enabling the Alexa skill for Sonos. Doing so is the same as rebooting a computer. It’s just a troubleshooting step that often times works. Think of it as a reset of the Alexa skill for Sonos as it seems you use Alexa to start music play. If that doesn’t fix the issue then it’s time to look at your network.

Thanks so much. I tried as you said so fingers crossed. Thanks again.

I hope it resolves the issue

It started a few days ago for me, I have a stereo pair of Era 100 also, sounds like the same issue, music stops in the middle of a song, App shows music playing, but no sound from speakers. The source could be anything from Apple to my own imported playlist, it doesn’t seem to matter. I find I have to power off/on both speakers to get them working again - very annoying. My firmware is up to date, the App is up to date. I haven’t tried a voice command, I will next time it happens. Any other suggestions from anyone would be welcome, don’t really want to have to reboot speakers constantly. 

Did you try the first suggestion to this topic?

If that didn’t get it try a fix that has worked for a lot of post-update or power-fail issues:

Power down all Sonos, reboot the router, reboot the controller device, power up the Sonos.

Hi ​@pkee & ​@niki_p 

Welcome to the Sonos Community!

Sorry to hear you are both experiencing this problem with speakers dropping out when playing.

You’ve received great advice, but I think something may have been missed: if you are not initiating playback with Alexa, but just using it as a fix for this problem, then the underlying issue will not have been addressed. I recommend you both get in touch with our technical support team who have tools at their disposal that will allow them to give you advice specific to your Sonos system and what it reports.

I hope this helps.

Thank you ​@Corry P   I had to power reset both my Era 100 speakers a few times over a couple of days to get sound back when the issue occurred, since the last power reset about 4 days ago the issue has not happened again. If it starts again I will be sure to contact Sonos Support. 

Hi ​@niki_p 

If a reboot of the speaker helps matters, it's possible that there is an IP address conflict on the network - reserving permanent IP addresses for the devices that are commonly on your network - especially Sonos devices - may help matters. I recommend trying this before calling in as it may save you the trouble. I can’t tell you exactly how, as it varies from router to router, but the router manual, your ISP (if they supplied the router) or a Google search should be able to help you. Alternatively, call in and the agent you speak to will be able to help if you allow them a remote desktop session to a computer on the same network.

I hope this helps.