I had the nest thermostat and last this past winter it kept saying it
was over 100°f in my house so my heater wouldn't kick on. Apparently
something inside goes bad and that's what caused it. I ended up getting
the learning one. So maybe yours is sta...
Should turn off automatically. The fan could be turned on all the time
so that might make it seem like it's running all the time. Check in the
settings on the device.
