Dishwasher displays E11; often related to turbidity or water quality sensing.

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

Dirty or scaled turbidity sensor window, Failed turbidity sensor, Loose or corroded sensor connector, Faulty control board sensor input

Safety first: Disconnect power before accessing the sump area.

Locate turbidity sensor: On many Teka models, the turbidity sensor is mounted on the side of the sump or in the side water chamber and has a small optical window.
Clean sensor: Remove the sensor and gently clean the optical surfaces with a soft cloth and warm soapy water. Rinse and dry thoroughly.
Inspect connector: Check the wiring plug for moisture or corrosion. Clean and dry as needed.
Replace sensor: If E11 persists after cleaning and reseating, replace the turbidity sensor.

Medium 3/5

Turbidity Sensor

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