AC wiring is pretty simple (see photo). Only hitch is the red wire is
stranded. Can I use the Nest Thermostat? Directions mention not to use
if wires are stranded but doesn't mention if only one wire is.
I finally got the Nest working by doing a factory reset. Apparently once
the nest sees an error it doesn't do a good job of updating when the
error is removed and a factory reset is necessary. I think the Google
Nest engineers should look into that.
An electrician friend came over today to remove the humidistat. He also
put in new thermostat wire.We put the old thermostat back on and to show
the AC was working. I then took off the old thermostat and put on the
Nest. The display says Error E294. ...
This morning I actually went into the attic to have a look. It wasn't of
any help. I'm ready to hire a pro. Now to find right pro. Have any
suggestions?
When I had the thermostat off, before writing to this forum, I saw there
was a red wire that was in the same insulated sleeve with white, yellow
and green wire. It was not connected and the way it was positioned
didn't look like it was suppose to be....