AEG Heating Fault (Alternate Code Set)

Dishwasher displays F3 and dishes come out cold and wet.

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

Failed heater element, Faulty temperature sensor, Wiring fault to heater on AEG dishwasher

Safety first: Disconnect mains power and allow the appliance to cool.

Visual check: Inspect heater wiring and connectors for burning or looseness.
Test heater and sensor (advanced): Use a multimeter to check continuity of the heater and NTC sensor. Replace any faulty components.
Professional help: If you are not comfortable testing high-voltage components, contact an AEG technician.

Professional Required 5/5

Flow-Through Heater

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