Washer will not start; door lock symbol flashes or door will not lock at the beginning of the cycle.

Safety first: Unplug the washer from the mains and turn off the water supply before any disassembly.

Step-by-step checks:

• Inspect the door: Close the door firmly and check that the latch engages with a solid click. Look for cracked or bent door hook on the door.
• Power reset: Unplug the machine for 5 minutes, plug back in, and try a short cycle. Sometimes the PCB will clear a temporary lock error.
• Check the door seal area: Ensure no clothing, coins, or debris are trapped between the door and the rubber gasket preventing full closure.
• Access the door lock: Remove the front door seal clamp (spring band) and gently pull back the seal to access the door interlock on the cabinet. Remove the mounting screws and pull the lock forward.
• Test the interlock: Using a multimeter (continuity mode), check the door lock terminals according to a Beko wiring diagram. If no continuity when the latch is engaged, the interlock is faulty and should be replaced.
• Inspect wiring: Check the harness from the door lock to the main PCB for burnt connectors, loose plugs, or broken wires. Reseat all connectors firmly.

When to call a technician: If the door lock and wiring test good, the main control board may be defective. PCB diagnosis and replacement should be done by a qualified technician.