Our oven occasionally displays an F-5 error code (with attendant beeping) during baking or oven cleaning. Turning the oven off cancels the code. After waiting a couple of minutes resuming the task usually does not recreate the error. This happens infrequently. The Thermador Fault Code list (http://www.appliancepartspros.com/repairtips/repairtips_appliance+fault+codes.aspx#Thermador%20Range%20/%20Stove%20/%20Oven%20Fault%20Codes%20(Starting%20with%20F) does not list F5.
Can you provide additional information please on what conditions can cause the F5 fault code.
Thank you in advance, happy holidays