Answer Hello Jacq. Test for power to the timer motor. If there is power there, and the timer does not advance, you will need to order and replace the timer on the unit. You can test this with a multi-meter TJMA-DMT3. Here is a link on how to use a multi-meter. http://forum.appliancepartspros.com/oven-repair-including-ranges-cooktops/4810-how-check-continuity-ohmmeter.html Read More... Answered by AppliancePartsPros.com | Friday, December 30, 2016