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Error code reference

Kenmore Range Error Code F3-E1

Short in oven sensor circuit

Kenmore codesKenmore range codes

Short in oven sensor circuit — Short in sensor, sensor shorted to casing, pinched or shorted harness sensor wires, or sensor terminals shorted at sensor or control.

First step from the service manual

1. Verify failure if not displayed. Go to manual diagnostics screen 5 to view and clear error codes. 2. Use manual diagnostics screen 2 to view the status screen. 3. Check temperature reading. 4. Disconnect sensor and measure resistance; also check from sensor connector to sensor casing for possible short. 5. If short found, replace sensor. 6. Trace wires; replace harness if damaged. 7. If failure remains, replace the control.

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

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What F3-E1 means on a Kenmore range

The F3-E1 error code on a Kenmore range indicates a short circuit condition in the oven temperature sensor circuit. The oven sensor is a resistive temperature device, typically a platinum RTD (resistance temperature detector), that changes its resistance value in direct proportion to oven temperature. The control board monitors this resistance to determine oven temperature. When the board detects a resistance value that is abnormally low, consistent with a short rather than an open or normal reading, it triggers F3-E1. A properly functioning sensor will read approximately 1080 to 1100 ohms at room temperature, so a reading significantly below this range points to a short condition.

The short can occur at several points in the circuit. The sensor itself may have failed internally, creating a short between its sensing element leads. The sensor body may be shorted to the oven casing or cavity wall, which creates a ground fault in the circuit. The wiring harness connecting the sensor to the control board is also a common failure point, particularly if wires have been pinched by a panel edge, burned by heat exposure, or had their insulation worn through over time. Finally, corrosion or physical damage at the terminal connections, either at the sensor plug or at the control board connector, can create a short between adjacent terminals.

Diagnosing this fault requires accessing the sensor and harness to take resistance measurements. Disconnecting the sensor and measuring resistance across its terminals will confirm an internal short if the reading is near zero ohms. Additionally, checking resistance from each sensor terminal to the oven casing will identify a ground fault. If the sensor measures correctly in isolation, the harness and terminal connections must be inspected and tested before the control board is considered as the fault source.

Source: manufacturer service documentation.

Common causes of F3-E1

  1. 01

    Failed oven temperature sensor

    Part replacement

    The sensor itself has developed an internal short, causing its resistance to drop far below the normal range. Disconnecting the sensor and measuring resistance across its terminals will show a reading near zero ohms if this is the cause.

  2. 02

    Sensor shorted to oven casing

    Part replacement

    The sensor body or its lead wires may be making contact with the metal oven cavity wall or mounting bracket, creating a ground fault. This can be identified by measuring resistance from each sensor terminal to the oven casing with the sensor still installed.

  3. 03

    Damaged or pinched wiring harness

    Part replacement

    The harness wires running from the sensor to the control board may have had their insulation burned, pinched by a panel, or worn through, causing the wires to short together or to ground. A visual inspection along the full harness route will often reveal the damage.

  4. 04

    Shorted or corroded terminal connections

    Wiring / connection

    Corrosion buildup or physical damage at the sensor connector plug or at the control board connector can bridge adjacent terminals and create a short. Inspecting the terminals for discoloration, corrosion, or melting will help identify this issue.

  5. 05

    Faulty control board

    Part replacement

    If the sensor and harness both test correctly with no shorts found, the control board itself may have failed and is generating a false F3-E1 fault. The control board should only be replaced after all other components have been ruled out.

See the test procedure for each cause

Frequently asked questions about F3-E1

What does F3-E1 mean on a Kenmore range?
F3-E1 on a Kenmore range indicates a short circuit in the oven temperature sensor circuit. The control board has detected an abnormally low resistance reading from the sensor circuit, which prevents the oven from accurately measuring temperature. The fault can originate at the sensor itself, the wiring harness, the terminal connections, or in some cases the control board.
Can I fix the F3-E1 error code myself?
A knowledgeable DIYer can diagnose this fault by accessing the oven sensor, disconnecting it, and using a multimeter to measure resistance across the sensor terminals and from each terminal to the oven casing. If the sensor reads near zero ohms or shows a short to ground, replacing the sensor is a straightforward repair. Harness damage can also be repaired or replaced with basic tools, but if the control board is the cause, that repair is more involved.
Is it safe to use my Kenmore range when F3-E1 is displayed?
It is not recommended to use the oven when F3-E1 is active. Because the control board cannot reliably read the oven temperature, it cannot regulate heating accurately, which creates a risk of overheating. The oven should remain unused until the sensor circuit fault is diagnosed and corrected.
How much does it cost to repair a Kenmore range with an F3-E1 error?
If only the oven temperature sensor needs replacement, parts typically cost between $20 and $60 depending on the model, and the repair is relatively inexpensive. A wiring harness replacement can range from $30 to $80 for parts. If the control board is at fault, parts alone can range from $100 to $300 or more, and professional labor will add to that cost.
Will resetting the Kenmore range clear the F3-E1 error code?
You can clear the F3-E1 code using the manual diagnostics screen on the control board, and a power reset may temporarily clear the display. However, if the underlying short in the sensor circuit has not been repaired, the fault will return as soon as the control board re-checks the sensor circuit. Clearing the code without fixing the root cause does not resolve the problem.

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