Beko oven shows E10 and will not start; often associated with models that have a cooling fan and door switch monitoring.

Safety first: Disconnect the oven from mains power before working around the door or lock mechanism.

Door switch checks:

• Open the oven door and locate the door switch plunger (usually near the top or side of the cavity frame).
• Press the switch by hand; you should hear a distinct click. If it feels loose or does not click, it may be faulty.
• Remove the front panel trim as needed to access the switch from behind.
• Disconnect the switch and test continuity with a multimeter while pressing and releasing the plunger. Replace if readings are inconsistent.
• Inspect the door latch for damage or misalignment that may prevent the switch from being fully depressed when the door is closed.
• On pyrolytic models with a motorized door lock, listen for the lock motor when starting a pyro cycle. If silent, the lock assembly or its motor may be defective.

Warning: Never bypass the door switch or lock; this is a critical safety interlock.