Why are my Apple HomeKit commands no longer responding?

If your commands are not responding, it means there is a disconnect between the app and Apple HomeKit. To resolve this use the following steps:

• Go into Settings on your smartphone and select the WiFi, then scroll down to see thermostat name with the last six digits of the MAC ID .
• Turn Home Data off.
• Uninstall and reinstall the Lyric app.
• Go back into Settings and turn Home Data back on.
• Make sure that your iOS version is up-to-date.