Answer Hello Kel, The tech sheet instructions read as follows: When replacing the electronic control, be sure to program the cavity size: 1. Within 60 seconds of power up, press the following touchpads: LOWER OFF, UPPER OVEN, BAKE, TEMP DOWN, TIMER OFF, MINUTE DOWN, START, LIGHT. 2. Size is shown in display - “id 30”. 3. Press CLOCK pad until correct size is displayed. 4. Press CANCEL. 5. Press and hold LOWER OFF pad for 5 seconds to verify programming. Read More... Answered by AppliancePartsPros.com | Monday, June 10, 2013