That seems like a reasonable guess. As I've said before, it is extremely
difficult to get real time information about the state of the charge and
other useful parameters. I think you can find replacement batteries and
instructions online.
As I understand it with my limited electrical knowledge, when the
thermostat switch is open, the Next can draw power from the furnace
control to charge the battery. When it calls for heat, the switch closes
and the Nest can no longer get power for ch...
I received the C wire device. But the wiring in my furnace does not
match any of the installation diagrams exactly. I have other things to
do, so this project is on the back burner. Our cold snap is over and the
thermostat seems to be working OK. The...
Connect to your computer with a USB cable. Mounted means that you can
see the device in Windows File Explorer as a drive letter. (Mounted is a
Linux term. Not sure what the Windows lingo is).
Google seems to think that I don't need a C wire. But all the reading
that I have done suggests that I do need a C wire. (My Nest has worked
fine for over a year without a problem). I ordered the Nest C wire
device. I should get it and install it in ...