Dualit Overheating / Temperature Regulation Error

Coffee is too hot or has a burnt taste.

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 brew thermostat stuck closed, Limescale causing temperature overshoot, Incorrect descaling leading to sensor misreading, Brew NTC sensor out of calibration

How to Fix / Troubleshooting

Safety first: Allow the machine to cool before opening any covers.

Steps:

Descale: Perform a full descaling cycle to remove scale that can cause hot spots and overshoot.
Flush before brewing: Run a short water-only shot before pulling coffee to stabilize temperature.
Check brew thermostat/NTC (advanced): Access the boiler and test the thermostat or NTC sensor for correct operation. Replace if out of specification.

Repair Difficulty

Medium 3/5

Required Part

Brew Thermostat

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