Yeah, I just mean tracing the wire visually. If the W wire is present at
the thermostat and absent at the control board, I would start by finding
where the W wire disappears and/or where it goes. I'm not sure how the
heating system could have been co...
Hi! I just have a couple questions to get a better idea of the situation
:Are you able to trace the cable path between your thermostat and your
control board at all? Was the system confirmed to be in good working
order before the old thermostat was r...
Just coming in here to say that I had the same problem yesterday - was
installing Gen4 Nest with only the R and W wires, using a Power Connect.
But I could not get the thermostat to download the software update due
to the voltage threshold for update...
