Bauknecht Main Relay / Safety Chain Not Energizing

Oven display and controls work, but when a program is started nothing happens (no fan, no heat, no click).

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Faulty main power relay on control board, Open door switch circuit, Open safety thermostat, Defective child lock or safety interlock logic

Safety first: Disconnect power before testing continuity.

Check door switch: Ensure the door is fully closed and test the door switch for correct operation.
Test safety thermostat: Locate and test the overheat thermostat for continuity. Replace if open.
Child lock: Verify that any child lock function is disabled according to the user manual.
Control board relay: If all safety devices are closed, the main relay on the control board may be faulty. Replace the control board.

Medium 3/5

Main Electronic Control Board or Safety Thermostat

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