JennAir oven displays F3-2; lower oven will not heat or shows incorrect temperature

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

Open lower oven sensor, Loose lower sensor connector, Damaged lower oven harness, Failed lower sensor circuit on control

Safety: Disconnect power before servicing.

Locate lower sensor: Find the sensor probe in the lower oven cavity and remove its mounting screws.
Inspect and test: Pull the sensor forward, check the connector, and test resistance at room temperature. Replace if open or out of spec.
Check harness: From the rear of the range, inspect the lower oven sensor wiring for pinches or burns. Repair or replace as needed.
Replace control if needed: If sensor and harness are good, the electronic oven control lower sensor circuit may be faulty.

Medium 3/5

Lower Oven Temperature Sensor

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