If the problem is not resolved after following the steps in our troubleshooting guide, then head to Google's website for full troubleshooting steps: Google Nest Help: Troubleshoot an issue.
Please be aware that you can only play live radio stations on Google Home using voice controls. For on-demand content, like our podcasts and music mixes, you'll need to cast from the BBC Sounds app.
Also check our Known issues page which lists problems we're aware of and are working to resolve.