Tecnogas Oven Temperature Sensor Short Circuit

Tecnogas oven shows F4 and may not heat correctly; sometimes appears intermittently.

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

Shorted sensor, Sensor wires shorted to chassis, Moisture in sensor connector

Safety first: Disconnect power.

Steps:

Remove the oven sensor and inspect the wiring for damaged insulation.
Measure resistance; a very low reading indicates a shorted sensor. Replace if necessary.
Check the harness for pinched sections where it passes through the rear wall grommet.

Medium 3/5

Oven Temperature Sensor Probe (NTC)

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