Hey Joe, do you have an ampclamp meter?
http://www.fluke.com/Fluke/usen/Elec....htm?PID=56068 to measure peak current on the various function's, Maybe somebody in the neighborhood has one? Just a thought for trouble shooting. Do you have one of those infrared hand held thermometer's? see if the stuff is getting hot, and having thermal cutout's?
http://www.fluke.com/fluke/usen/prod...tegoryTemp.htm Yah I have a few fluke product's. Later, Neil#2 aka doodlebug.