I've tried that already and yes the error clears but the heat doesn't
come on. I've tried every suggestion on this thread including only
connecting the heat but as said above, the thermostat need more juice,
so basically the only way to keep the scre...
Correct, it doesn't solve the N72 error, it only keeps the thermostat
fully charged. It was constantly slow charging (flashing light) before
connecting to the AC common wire. I've given up on a solution (as
obviously google has as well) and just keep...
Here with the same issue. System and Nest Gen 3 have been working for
the last 2 years with no issues, then about a month ago I noticed the
heat not coming on in this zone. I have 3 other Nests running in the
house with no issues (2 e and another 3rd...
