I have carrier ultra it don t want to start it s gives me a shit down code that doesn t want to erase i need help
I just bought a carrier ultra xt and i notice once the temperature is about to reach the set point the heat light will come on then go off then the cool light on then go off then the heat come on and on and on and on all day any suggestiions but the temperature stays between the set point and degrees higher
U should churge the battery! . Volt too little for work.