I was thinking there was a short, I'm trying to dig up my voltmeter to test it out. As I said, I'm not the most DIY-inclined, so how would I go about testing the transformer and circuit? I'm looking at the old thermostat now, and it has 9 wire hookups, but the wires at the wall only have 8. It is a ...

I'm not the most DIY-inclined person, but this problem is really stumping me... I've got an Intertherm FEH-015HA-03 installed in my mobile home, and I just installed a programmable thermostat in my home, replacing the old mercury one. For the first 36 hours it was running great. Once I knew it was r...