Wyze Thermostat installation, detected extra wires

[Destro]

Join the club!

Wyze Thermostat Install error - Extra wire

I tried to install the Wyze thermostat this weekend, and kept getting the error “Extra wire” for terminals Y2, W2, and *. I do not have wires in any of those connectors. I can click “Try again”, but it keeps coming back with the same error. I can close the Wyze app, and re-open it, then I see my Wyze thermostat. If I try to turn the Cool or Heat on, nothing happens, and after a few seconds the app goes back to “OFF”. I even tried turning on Hold. I tried 2 Wyze thermostats that I ordered, both …