Customer Questions and Answers for Timer by Whirlpool

Hello Earnie. You will need to check and see if the lid switch WP3949238 is bad and will need to be replaced 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