While you wait for answers, we may have found some information which could help you.
Click here for Oven Timer HelpHow to replace element on Bosch oven HBN 7052GB?
Cookmaster ck100c210?
How can I set time on my Neff oven?
Main oven on BAUMATIC BT2750 not working?
How can I fix. Could it be a fuse in the oven part?
How to raise volume of cooking alarm?