Miele Complete Heating Loss Without Error

Oven does not heat at all; no error code displayed, lights and fan may still work.

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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.

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Possible Causes

Open safety thermostat (temperature limiter), Both bake and grill elements failed, Loose connection at mains terminal block, Faulty main relay on control board

How to Fix / Troubleshooting

Safety first: Switch off power at the breaker and verify with a tester before opening panels.

  • Confirm mode and settings: Ensure a heating mode and temperature are selected (not just time or light).
  • Check terminal block: Inspect the mains terminal block for burnt or loose connections. Tighten or replace as needed.
  • Test safety thermostat: Locate the temperature limiter on the top or rear of the cavity. Test for continuity. Replace if open and not resettable.
  • Measure element continuity: Test bake and grill elements with a multimeter. Replace any open elements.
  • Control relay: If all components test good, the main heater relay on the control board may have failed. Replace the control module.

Because multiple high-voltage components are involved, consider professional service if you are not experienced with electrical testing.

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Repair Difficulty

Hard 4/5

Required Part

Temperature Limiter / Heating Elements
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