When I set the system for Zone 1 (living area) to have the heat pump go on the system starts up then after two seconds completely shuts down. I get a Shed flashing on the system and then it goes off. When I set to Auto it does the same thing. It also does the same thing when I set the Temperature with a high enough difference for the furnace and heat pump go on, the heat pump shuts down. When I turn the Air conditioner on everything works well.
Any ideas?
Linear Mode
