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Error code reference

Jenn-Air Oven Error Code F3E0-0

Main oven temp sensor open.

Jenn-Air codesJenn-Air oven codes

Main oven temp sensor open.

First step from the service manual

Enter Diagnostics mode and verify oven sensor temperature is at room temperature (50°F to 90°F).

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What F3E0-0 means on a Jenn-Air oven

The F3E0-0 error code on a Jenn-Air oven indicates that the main oven temperature sensor circuit is open. An open circuit means the control board is receiving no signal from the sensor, which typically reads as an infinite or out-of-range resistance value. The oven temperature sensor (also called an RTD, or resistance temperature detector) works by changing its electrical resistance in proportion to temperature. At room temperature, this sensor should produce a resistance reading that corresponds to a temperature between 50°F and 90°F. When the circuit is open, the control board cannot regulate oven temperature and shuts down heating operations to prevent a runaway heat condition.

The diagnostic process begins by entering the oven's diagnostics mode and confirming whether the sensor reading falls within the expected room temperature range. If the displayed temperature is far outside that window or shows no reading at all, the fault lies somewhere in the sensor circuit. This could be the sensor probe itself, the wiring harness connecting the sensor to the control board, or the connector terminals at either end of that circuit.

The most common cause of this fault is a failed oven temperature sensor, which can degrade or fail completely after extended heat cycling. However, damaged wiring inside the oven cavity, particularly near the back wall where the sensor probe exits, is also a frequent culprit. Corroded or loose connector pins at the control board or sensor harness can also produce an open circuit reading without any physical damage to the sensor itself.

Source: manufacturer service documentation.

Common causes of F3E0-0

  1. 01

    Failed oven temperature sensor

    Part replacement

    The sensor probe itself has failed internally, breaking the circuit. This is the most common cause and can be confirmed by measuring the sensor's resistance with a multimeter at room temperature.

  2. 02

    Damaged wiring harness

    Part replacement

    The wires running from the sensor to the control board can become brittle, frayed, or burned from heat exposure inside the oven cavity. Inspect the harness along the rear wall of the oven for visible damage.

  3. 03

    Loose or corroded connector terminals

    Wiring / connection

    The connector at the sensor or at the control board can develop corrosion or work itself loose over time, interrupting the circuit without any physical break in the wire itself. Check both ends of the harness connector for secure seating and clean terminals.

  4. 04

    Faulty control board

    Part replacement

    If the sensor and wiring both test correctly, the control board's sensor input circuit may have failed. This is less common but possible, particularly on older units.

See the test procedure for each cause

Frequently asked questions about F3E0-0

What does F3E0-0 mean on a Jenn-Air oven?
F3E0-0 means the control board has detected an open circuit in the main oven temperature sensor. This tells the oven that it cannot read the cavity temperature, which prevents it from operating safely. The fault points to the sensor itself, the wiring connecting it to the board, or the connector terminals in that circuit.
Can I fix F3E0-0 myself, or do I need a technician?
A knowledgeable DIYer can often resolve this fault by entering diagnostics mode to check the sensor reading, then inspecting the wiring and connectors for visible damage or loose connections. Replacing the oven temperature sensor is a straightforward repair that requires basic tools and a compatible replacement part. If the wiring harness or control board is involved, a technician may be needed for a more involved repair.
Is it safe to use my Jenn-Air oven while F3E0-0 is displayed?
No, you should not attempt to use the oven while this error is active. Because the control board cannot read the oven temperature, it has no way to regulate or limit the heat produced by the bake or broil elements. Continuing to operate the oven in this condition creates a risk of overheating.
Will resetting the oven clear the F3E0-0 error code?
A power reset, such as unplugging the oven or tripping the circuit breaker for a minute, may temporarily clear the code. However, if the underlying fault in the sensor circuit is still present, the error will return as soon as the oven attempts to operate. A reset alone does not fix the problem and should not be used as a substitute for diagnosing the root cause.
How much does it cost to repair a Jenn-Air oven showing F3E0-0?
If only the temperature sensor needs replacement, parts typically range from $20 to $80 depending on the model, and the total repair cost including labor from a technician usually falls between $100 and $250. If the control board is at fault, parts and labor costs can range from $200 to $450 or more. Diagnosing the fault before ordering parts helps avoid unnecessary expenses.

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