Hello bjsnow1,
We'd like to provide some information that may help.
Please complete the following suggestions, which may help with this issue:
1. Please review the following link to ensure everything is set up correctly to allow you to control your home with Siri, so we can make sure there's not an issue there: Control your home with Siri
"Get started with Siri
1. Siri availability, features, and commands vary by language, and country or region. Learn which Siri features are supported in your country or region."
2. Please ensure the devices are running the latest compatible software versions, as listed here: Apple security updates
If the issue continues, please contact Apple Support for further assistance. You might be able to reach them here: Contact Apple Support
Thanks!