Google Nest Community

I installed a Nest Thermostat a little over one year ago. For the first ~year it was fine, then one day it started displaying error messages saying the batteries were dead. It said the battery voltage was something absurd like 0.05V and impedance was...

I installed a Nest Thermostat a little over one year ago. For the first year it was fine, then all of a sudden one day it started displaying error messages saying the batteries were dead. It said the battery voltage was something absurd like 0.05V. I...