Melba, thank you for checking back with me. After further research we
determined that there was never C connected at the heat pump board.
After making the C connection to the spare wire in the cable, it worked
great
From the research on my scenario, I need to get a power connector (my
condenser & entire system works fine with the previous thermostat). If
the condenser stops working after no previous problem, it can be low
battery in the Nest thermostat, or it co...
