Turned out I had to connect the blue wire to the thermostat. And go to
the unit and connect it. Apparently solar companies disconnect the blue
wire. Now everything works great
My nest 3 says no powers to blue common wire. If I disconnect the blue
c. The thermostat works but AC switches off. If I connect the blue C
wire it works great and blows cool. Just the nest thermostat does not
work. Says wiring error now power to c
