Jennifer G Silverdale , WA March 12, 2016 Appliance: KitchenAid 30" Electric Ceran Free Standing Range Convection Oven KERI203PBS2 Kitchenaid Range Keri203pbs2: So f2 error code no response from any button except off button. How to replace Membrane Switch (Black). Replaced membrane switch. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes