In all cooking modes (bake, conv, pure conv, broil) the main bottom element stays on constantly. The over heats past the set point ( say 375) well above 500. The display does not show the high temperature just the set point. I shutoff the power to see if that reset the controller but no luck. If it was a welded relay I would expect the burner to stay heated even when I set it to off.
Is this a controller board problem?

Kitchen Ranges - Dacor - Epicure ERD30 Dual Fuel (Electric and Gas) Kitchen Range