2020 American Standard HVAC system.
Old thermostat wired:
Green wire to G
White wire to W
Blue wire to C
Yellow wire to Y
Red wire to R (R jumper to Rc)
Nest:
Yellow wire to Y1
Red wire to R
Green wire to G
White wire to W
Blue wire to C
Connections are long enough, clean, tight.
Furnace display shows 7p1. System worked correctly prior and I did disconnect power before beginning,
What am I missing?
