F7
Etna Function Selector or Mode Switch Fault

Etna oven shows F7 and may not respond to temperature or mode changes.

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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

Worn mechanical function selector switch, Broken knob shaft, Dirty or oxidized switch contacts, Faulty electronic mode encoder

How to Fix / Troubleshooting

Safety: Disconnect power before removing the control panel or knobs.

  • Check knobs: Ensure the function selector knob is not cracked or slipping on the shaft. Replace damaged knobs.
  • Inspect selector switch: Remove the front panel to access the function selector. Look for burnt contacts or melted plastic.
  • Contact cleaning: On mechanical switches, you may carefully clean contacts with electrical contact cleaner if lightly oxidized.
  • Continuity test: Use a multimeter to verify that the correct contacts close in each selector position according to the wiring diagram.
  • Replace selector: If contacts are worn or readings are inconsistent, replace the function selector switch or encoder assembly.
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Repair Difficulty

Medium 3/5

Required Part

Oven Function Selector Switch
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