My HS3 Hometroller Z S2 keeps disconnecting from the wifi. It will fire programmed zwave commands, but any Alexa Google Home voice commands will just quit working. Also when I go to in a browser, there is no link to the device. I have to reboot the device and that works most of the time, I say most because there I times I have to reboot (pull the plug) twice. I am on my second failure today, and this happens about once or twice a week. Any ideas? TYIA