I had my Heating contractor out at my house and he found that he had
wired the C wire improperly. He corrected the wiring and now the Nest
seems to be working for the moment. The Settings/Equipment/Power screen
is below and has been steady for one we...
The furnace is a gas furnace. I logged in so now I can upload photos.
The problem Nest is going into Zone 2 with the red and white wires. Only
2 wires are coming into the control panel relay. The power (C) is coming
from the far left of the PCB..
My heating system is hot water radiator. No cooling. This app is not
allowing picture upload. My wiring in the unit has a wire going to C, W
and R. We tested them with a voltmeter and found 26 volts coming into
the unit.
I have the same issue. I have 2 Nest thermostats that worked fine until
recently. Now, one of them has run through it batteries twice and the
other one (which is currently turned off) ran through the batteries
once. There is power to the unit because...
