I just fixed mine. It was a whole process to resolve, but, ultimately,
my capacitor had crapped out. I tried cleaning the coils, changing/
checking air filters, and ended up buying a replacement capacitor on
Amazon, that came same day, for around $24...
I am dealing with the same issue at the moment. Installed the Nest
therms in 2016, and also replaced HVACs to Goodman AC and Furnace units.
When I originally installed the Nest, they would not work with the
blue->C, but worked fine for years just dis...
