@dwhowell SOLVED I had to unlink Kasa from Google and then unlink Google from Kasa (unlinking one didn't change the link status in the other). I reinstalled the Kasa app and then opened Google Home...

I have several HS200 switches that have been working fine with Google Home. All of a sudden they have stopped connecting with Google Home. They work fine using the Kasa app and both Kasa and Google...