Thanks guys. There really isn't anything obviously wrong inside the machine. I've obtained some schematics and enlisted the help of an electrical engineer at work to help diagnose. I'll update the thread if he comes up with anything.

Thanks!

Hi Guys, Went to fire up my machine for a quick job yesterday, and noticed the overheat light turned on immediately. After some snooping around, I noticed two long cylindrical devices that Lincoln says are resistors (#5 and #6) on the parts list. One of them stayed barely above ambient, but the othe...