While you wait for answers, we may have found some information which could help you.
Click here for Cooker Switch LightHow to replace element on Bosch oven HBN 7052GB?
Increase volume of alarm on Neff oven?
Can a crack be repaired?
Main oven on BAUMATIC BT2750 not working?
Unlock ceran diplomat?
How can I set time on my Neff oven?