I have a Whirlpool double oven that I replaced the control board on about 10 months ago. The oven does not display any error codes. Every button will beep when pushed EXCEPT for the one to turn off the bottom oven. When you push the button no beep and the bottom oven will not turn off unless you trip the breaker. I cleaned the contacts on the ribbon cable but it still does not beep or turn off. I'm thinking it could be the membrane but I'm not sure.
As long as there is a good connection then this would most likely be the membrane switch that has failed.
Answered by AppliancePartsPros.com | Thursday, April 11, 2013