Darryle P New Richmond , WI July 13, 2014 No power to control board wall oven display was blank and oven did not work Replaced power transformer. I used a multimeter to measure output voltage of the transformer and discovered there was no output voltage. It would have helped a great deal if I had an electrical schematic and wiring diagram. The component identification drawings where helpful to locat components. 6 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes