Maytag range

After self cleaning my Maytag range the oven does not work. The "lock " light comes on, this happens when using bake, or broil. The cooktop burners work fine. Any ideas of what is wrong or what I can do?

Please see the following post
http://forum.appliancepartspros.com/oven-repair-including-ranges-cooktops/136967-maytag-range.html