This URL will tell you what the code is and what is probably wrong:
http://www.appliancepartspros.com/repairtips/repairtips_appliance+fault+codes.aspx#Whirlpool%20Range%20/%20Stove%20/%20Oven%20Fault%20Codes
Here is a URL with some advice:
http://www.applianceaid.com/clean-lock.html
Karl, January 2007