He just took the board out of the box and installed it. The same with the sensor. Tested it..No. Yes he removed the short quickly. I've got a call into him for the part numbers of the new parts. The outside temp was in the upper 30's to the low 40's. Just a thought, could the stat have any bearing o...

I have a Coleman BRHQ0361BB heat pump, manufactured in 1996 that is freezing up and not going into defrost mode. My heating and air guy has replaced the defrost board and sensors but it still will not go into defrost mode. The A/C works when we turn it on, so the reversing valve seems to be working....