While at location I was asked to look at a spare toaster oven due to it not heating properly, I tested and found it was heating but weak. I tested mags system one at a time and found front mag only pulling 3 Amps. I removed maga and put the front in the rear to see if problem follows the mag. When I retested system I had proper Amps at front and rear mags. Customer tested unit and product cooked very well and they don't want to put parts in at this time.