Fernando C Corpus Christi , TX July 11, 2015 Appliance: Whirlpool Electric Oven RBD305PDB12 Whirlpool Oven Rbd305pdb12: The off button was not working; the oven stayed on so i had to disconnect the whole thing. How to replace Control Panel Assy. W/Membrane Switch (Black Model). Replace the whole panel by ordering it from Appliance Parts Pros. I replaced it fast and it started working right away. Yep it did. 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes