Google Nest Community

6 wire system, black and orange wires are not used, there was small jumper from rh to rc on original thermostat, from my understanding nest system does this automatically, not sure what issue was, went back to original thermostat and everything worki...

 Also red flashing on zone 1 on air handler in attic with nest installed

 Original thermostat  

  

Hello I had this setup and could not get nest to function