Google Nest Community

I followed all of the steps that maedacortez sent me on 1/6/25. I was able to easily remove the thermostat from my app but I am unable to re-add it. I got to the stage where it said to select the type of thermostat and then to type in the "entry key"...

My app has worked perfectly for years. Now my 3 cameras still show fine but the 2 thermostats keep saying they are OFFLINE. The actual thermostats are working properly but we can only adjust them manually. We had a power surge 3 days ago but power, i...