F3
Tecnogas Oven Temperature Sensor Open Circuit

Tecnogas oven displays F3 and will not start or stops heating shortly after starting.

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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 oven sensor, Broken sensor harness, Loose connector at EOC

How to Fix / Troubleshooting

This fault is functionally similar to E1 on many Tecnogas models.

Safety first: Disconnect power before testing.

Steps:

  • Locate and remove the oven sensor probe.
  • Test resistance at room temperature; replace if open or far from specification.
  • Inspect and reseat the harness at both the sensor and the control board.
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Repair Difficulty

Medium 3/5

Required Part

Oven Temperature Sensor Probe (NTC)
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