Etna Complete Heating Loss Without Error

Oven not heating at all, no error code displayed, fan and light may 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

Tripped thermal cut‑out, open lower and/or upper heating elements, faulty function selector switch, loose connection at mains terminal block

How to Fix / Troubleshooting

Safety first: Turn off the circuit breaker and verify the oven is de‑energized before removing it from the cabinet.

  • Check mains supply: Confirm correct voltage at the wall outlet or junction box. A lost phase on multi‑phase installations can cause no heat.
  • Inspect terminal block: Remove the rear cover and inspect the mains terminal block for burned or loose connections. Tighten or replace as needed.
  • Test thermal cut‑out: Locate the safety thermostat on the top or rear of the cavity. Test for continuity; reset or replace if open.
  • Check elements and selector: Measure resistance of the lower and upper elements. On knob models, test the function selector switch contacts for continuity in heating modes. Replace any open elements or faulty selector switch.
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Repair Difficulty

Medium 3/5

Required Part

Thermal Cut‑Out Thermostat
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