Display shows F3-3, oven temperature erratic or oven shuts off

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 element, Sensor wiring shorted to chassis, Moisture intrusion in sensor connector

Safety first: Disconnect power before testing.

Test sensor: Remove the sensor and measure resistance. A reading near 0 Ω indicates a short; replace the sensor.
Inspect wiring: Look for melted insulation or wires touching metal. Repair with high-temp wire and proper connectors.
Dry connectors: If there are signs of moisture, dry the area thoroughly and use contact cleaner on connectors.
Replace EOC if necessary: If sensor and wiring are good but F3-3 persists, the EOC sensor circuit may be shorted internally.

Medium 3/5

Oven Temperature Sensor

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