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Error code reference

Electrolux Range Error Code F31

Shorted RTD sensor probe or wiring problem (displayed when oven is in active mode or an attempt to enter an…

Electrolux codesElectrolux range codes

Shorted RTD sensor probe or wiring problem (displayed when oven is in active mode or an attempt to enter an active mode is made).

First step from the service manual

Let the oven cool down and restart the function. If the problem persists, replace the display board.

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

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What F31 means on a Electrolux range

The F31 error code on an Electrolux range indicates a shorted RTD (Resistance Temperature Detector) sensor probe or a wiring fault in the oven temperature sensing circuit. The RTD sensor is a precision resistive element that changes its electrical resistance in response to temperature. The oven control board continuously monitors this resistance to determine oven cavity temperature and regulate the heating elements accordingly. A "short" condition means the sensor circuit is reading an abnormally low resistance, which the control board interprets as an impossibly high temperature or an outright circuit fault.

This code is specifically triggered when the oven is in an active mode, such as bake, broil, or convection, or when a user attempts to enter one of these modes. Under normal conditions, the RTD sensor should present a predictable resistance value that rises and falls with temperature. When a short circuit occurs, the resistance collapses below the expected range, causing the control board to halt operation and display F31 as a protective measure to prevent overheating or damage.

Common root causes include a failed RTD sensor probe with an internal short, damaged wiring between the sensor and the control board (such as pinched, melted, or corroded wire insulation), or a faulty display board that is misreading the sensor signal. The diagnostic sequence begins with allowing the oven to cool completely and attempting a restart, which can clear transient faults caused by heat-induced resistance shifts. If the code returns, the display board is the next component to evaluate and replace.

Source: manufacturer service documentation.

Common causes of F31

  1. 01

    Shorted RTD sensor probe

    Part replacement

    The RTD sensor probe itself can develop an internal short circuit, causing it to report an out-of-range resistance value to the control board. This is the most likely cause when the error appears consistently across multiple attempts.

  2. 02

    Damaged or pinched sensor wiring

    Part replacement

    The wiring harness connecting the RTD probe to the control board can become pinched, melted by oven heat, or corroded over time. Inspect the wiring visually for any signs of damage, bare spots, or contact with oven surfaces.

  3. 03

    Loose or corroded sensor connector

    Wiring / connection

    A poor connection at the sensor plug or control board terminal can mimic a short condition. Disconnecting and reseating the connectors at both ends of the sensor wiring may resolve the issue.

  4. 04

    Transient heat-related fault

    Wiring / connection

    Under high heat conditions, resistance values in the sensor circuit can temporarily shift outside acceptable limits. Allowing the oven to cool fully and restarting the function may clear the code without further repair.

  5. 05

    Faulty display board

    Part replacement

    If the RTD sensor and wiring both test within normal parameters, the display board may be misinterpreting the sensor signal and generating a false F31 code. Replacing the display board is the recommended next step after ruling out sensor and wiring issues.

See the test procedure for each cause

Frequently asked questions about F31

What does F31 mean on a Electrolux range?
F31 on an Electrolux range indicates a shorted RTD sensor probe or a wiring problem in the oven temperature sensing circuit. The error appears when the oven is in an active mode or when you try to start a cooking function. The control board detects an abnormal resistance reading from the sensor and shuts down to protect the appliance. This can be caused by a failed sensor, damaged wiring, or in some cases a faulty display board.
Will resetting the oven clear the F31 error code?
A reset can clear F31 if the fault was caused by a temporary heat-related resistance shift in the sensor circuit. Let the oven cool completely, then restart the function to see if the error returns. If F31 comes back after cooling and restarting, the underlying problem with the sensor, wiring, or display board will need to be diagnosed and repaired.
Is it safe to use my Electrolux oven when F31 is displayed?
No, you should not continue using the oven while F31 is active. The error means the control board cannot reliably read the oven temperature, so it cannot properly regulate the heating elements. Continuing to operate the oven in this state could result in uncontrolled overheating. Leave the oven off until the fault is diagnosed and resolved.
How do I fix F31 on my Electrolux range?
Start by letting the oven cool down completely, then restart your chosen cooking function to see if the error clears on its own. If F31 persists, inspect the RTD sensor probe and its wiring harness for visible damage, loose connectors, or corrosion. If the sensor and wiring appear intact, the recommended repair is to replace the display board, as that is the next component in the diagnostic sequence.
How much does it cost to repair an F31 error on an Electrolux range?
Repair costs vary depending on which component is at fault. An RTD sensor probe typically costs between $20 and $60 for the part alone, while a display board can range from $100 to $250 or more. Adding professional labor, total repair costs generally fall between $150 and $400 depending on your location and the specific parts required.

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