Answer Hello David. If there is power to the pump, and the hoses are clear, you will need to replace the pump on the unit. It is bad and will not pump out under pressure. 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 | Tuesday, July 1, 2014