This is Turtle.

jeff there can be two item to look at.

You need to go back and read the opetration instruction on the
programing of the thermostat or go back and get a new [ Hunter ]
Thermostat. The cheaper thermostats are doing odd thing when running
them and i think you should go to a good thermostat like a Honewell or
White/Rogers and not fool with the hunter and Lux trash. Now that is my
opinion and others may very.

TURTLE