Gaggenau EB294/295 Electric Double Oven
I am a gaggenau engineer this is usually a fault with the door lock mechanism it can be manually reset eg remove oven and side panel pull back locking arm there is a also a built in test prog in oven clock that will switch door lock back to reset position but these will need to be done by an engineer as oven very heavy.
ring 08705 678910 for service and/or advise
good luck
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