Oven shows E19 and temperature cannot be adjusted or is displayed incorrectly

Safety Warning

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 temperature selector knob or encoder, Broken potentiometer on control panel, Loose connection between temp control and main board, Firmware error in control board

How to Fix / Troubleshooting

Safety: Disconnect power.

Check temperature control:

Remove the temperature knob and front panel to access the temperature selector (potentiometer or encoder).
Inspect for physical damage or broken shaft.
Test the potentiometer with a multimeter for smooth resistance change when turned. Replace if readings jump or drop out.
Ensure the connector from the selector to the main control board is firmly seated.
If hardware is fine, a main control board firmware or ADC fault may be present and the board may need replacement.

Repair Difficulty

Medium 3/5

Required Part

Temperature Selector Knob/Encoder

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