I have a goodman heat pump package unit and the blower motor will not come on in ac mode but will come on in heat and not on the on position

Armstrong G1N80 furnace blower control board will not turn on fan at all. Not in heat or cooling mode. I can hear a click when fan should be energized, but no fan startup. Pigtailed the fan hot and neutral,and fan works fine. Is this just a blower control board problem, or something else? We had...

Goodman heat pump, model GSH130361AD, Goodman AEPF series Air Handler, and a Honeywell T8411R t-stat. After wiring and setting everything up, the A/C works very good. In heat mode the aux heat comes on but the outside unit does not start up. Emergency heat works well too. The units are used...

I have an older lennox unit that is pilot light. The blower motor won't shut off when the temp is reached on the thermostat but it works fine in ac mode. What could cause this? I'm confused because it worked 2 weeks ago when I turned my ac off and the thermostat is in auto and only shuts off when I...

I need some guidance. I have a Carrier A/C unit that has been working fine. Last night the fan stopped working for some reason in the A/C mode. But when I put the heat on, it works fine. The compressor and condenser work fine but the A/C fan just will not kick on. I thought it might be the...