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Error code reference

Electrolux Range Error Code 51

Inductor temperature sensor break (Left Front).

Electrolux codesElectrolux range codes

Inductor temperature sensor break (Left Front).

First step from the service manual

Verify element temperature sensor is correctly connected to the Induction Housing Assembly connector. Replace inductor if temperature sensor resistor value is not approximately 1000 ohms (blue wires) at room temperature.

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

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What 51 means on a Electrolux range

Error code 51 on an Electrolux induction range indicates a break or open circuit in the inductor temperature sensor circuit for the left front burner element. The temperature sensor is a thermistor integrated into the induction housing assembly, and it communicates element temperature data back to the control board through a pair of blue wires. When the control board cannot read a valid signal from this sensor, it interprets the open circuit as a potential runaway temperature condition and shuts down the left front induction zone to prevent damage or hazard.

The primary specification to know for diagnosis is that the temperature sensor thermistor should measure approximately 1000 ohms resistance at room temperature across the blue wire terminals. A reading significantly higher than this, or an open circuit reading with no continuity, confirms a broken sensor or severed wiring. Low resistance readings close to zero would instead suggest a short circuit fault, which is a different failure mode.

This fault is most commonly triggered by a loose or disconnected sensor connector at the induction housing assembly, a physically broken thermistor inside the inductor unit, or damage to the blue sensor wires such as pinching, burning, or fatigue cracking from heat cycling. Because the sensor is integrated into the inductor assembly rather than being a standalone replaceable component, a confirmed failed thermistor requires replacement of the entire inductor unit.

Source: manufacturer service documentation.

Common causes of 51

  1. 01

    Loose or disconnected sensor connector

    Wiring / connection

    The blue wire connector between the temperature sensor and the induction housing assembly may have worked loose over time from vibration or heat cycling. Check that the connector is fully seated before assuming the sensor itself has failed.

  2. 02

    Failed inductor temperature sensor thermistor

    Part replacement

    The thermistor inside the inductor assembly may have failed open, breaking the circuit. Confirm this by measuring resistance across the blue sensor wires at room temperature. A reading significantly above 1000 ohms or no continuity confirms a failed sensor requiring inductor replacement.

  3. 03

    Damaged blue sensor wires

    Part replacement

    The blue wires connecting the thermistor to the control board can suffer damage from heat exposure, pinching during installation, or fatigue cracking from repeated thermal cycling. Inspect the full length of both wires for breaks, melted insulation, or chafing.

  4. 04

    Faulty induction housing assembly

    Part replacement

    If wiring and connector checks are normal but resistance readings are still out of spec, the induction housing assembly itself may be defective. Replacing the inductor assembly is the corrective action in this scenario.

See the test procedure for each cause

Frequently asked questions about 51

What does 51 mean on a Electrolux range?
Error code 51 indicates a break or open circuit in the temperature sensor circuit for the left front induction burner. The control board monitors a thermistor in the inductor assembly through two blue wires, and when it detects no valid signal, it shuts down that burner zone. This is a protective shutdown to prevent uncontrolled heating. The fault points to either a loose connector, damaged wiring, or a failed thermistor inside the inductor unit.
Can I fix error code 51 on my Electrolux range myself?
A knowledgeable DIYer can start by checking whether the blue wire sensor connector at the induction housing assembly is fully seated, which requires accessing the cooktop components. If the connector is secure, testing resistance across the blue sensor wires with a multimeter is the next step, looking for a reading of approximately 1000 ohms at room temperature. If the thermistor reads open or far out of spec, the inductor assembly will need to be replaced, which is a more involved repair. Always disconnect power to the range before inspecting any internal wiring.
Is it safe to keep using my Electrolux range with error code 51?
The left front induction zone will be disabled while error code 51 is active, so it cannot be used for cooking. The other burner zones may still function normally depending on the control board behavior. It is safe to use the unaffected zones, but the faulty burner should not be relied upon until the fault is diagnosed and repaired. Do not attempt to defeat or bypass the error to force the burner to operate.
Will resetting my Electrolux range clear error code 51?
Resetting the range by cutting power at the breaker for a few minutes may temporarily clear the fault code, but if the underlying problem persists, the error will return as soon as the control board runs its diagnostics again. A reset alone is not a fix. The sensor connector, wiring, and thermistor resistance must be physically inspected and corrected to resolve the fault permanently.
How much does it cost to repair error code 51 on an Electrolux range?
If the issue is simply a loose connector, there is no parts cost and only your time is involved. If the inductor assembly needs replacement, parts costs can range from roughly 80 to 250 dollars or more depending on the specific model and parts availability. Adding professional labor, total repair costs typically fall in the range of 150 to 400 dollars. Getting the connector and wiring checked first is worthwhile since it may resolve the fault without any parts expense.

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