We had that happen in our previous home when the furnace fuse burned
out. The fuse was located outside of furnace.

TomS wrote:
Yes and it was moved to the Heat position when I tested it. While moved to
the AC position, the air works great. The fan works great. The only problem
is that the Furnace does nothing when moved to the heat position.

"Randd01" wrote in message
...

Don't you have a switch on the bottom of the thermostat that you have to

switch

from AC to Heat? Most do.