Restart HomePod
If HomePod isn’t responding normally, you can restart it. You need to be near HomePod to restart it.
In the Home app on your iOS or iPadOS device, tap HomePod.
Tap .
Do one of the following:
For a single HomePod: Tap Reset HomePod, then tap Restart HomePod.
For a stereo pair: Tap Restart HomePod.