adj. 1  wide; of great breadth:The Mississippi River is its broadest at this point. [ 2 after a noun of measurement] measured from side to side: three feet broad. 3  open; full;  not limited or narrow; extensive:Our teacher has a broad range of 1  interests. [before a noun] general: in the broad sense of the term.  plain or clear;
To replace the relay bord you have to uninstall the entire oven and remove the screws coming in from the top panel. Remove the top panel and then you'll see the relay board and you ca replace it. There is no way to jsut replace the relay control board from the front.
Check the Bake and Broiler Elements. In an electric wall oven, the bake and broiler elements are the tubes that glow hot at the top and the bottom of the oven. If you can't sense heat emanating from these elements or if you can see that they're broken, replace them to get your oven heating properly again.