JennAir oven shows F3-2, lower oven not heating correctly

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 sensor wiring

Safety: Turn off power at the breaker.

Locate lower sensor: In a double oven, access the lower cavity and locate the sensor on the rear wall.
Test resistance: Remove the sensor screws, pull it forward, disconnect, and measure resistance. Replace if open.
Inspect wiring: Check the harness from the lower sensor to the control board for damage or loose plugs.
Replace faulty parts: Install a new lower oven sensor or repair the harness as required.

Medium 3/5

Lower Oven Temperature Sensor

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