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Error code reference

Electrolux Freezer Error Code E8

Thermistor is shorted (short circuit detected on temperature thermistor).

Electrolux codesElectrolux freezer codes

Thermistor is shorted (short circuit detected on temperature thermistor).

First step from the service manual

Check thermistor resistance using thermistor chart; replace thermistor if shorted.

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

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What E8 means on a Electrolux freezer

The E8 error code on an Electrolux freezer indicates that a short circuit has been detected on the temperature thermistor circuit. The thermistor is a temperature-sensitive resistor that continuously reports the internal cabinet temperature to the control board. When the control board detects an abnormally low resistance reading from the thermistor, it interprets this as a short circuit and triggers the E8 fault. Unlike an open circuit fault, a shorted thermistor produces resistance values that fall well below the expected range on the thermistor resistance chart, signaling that the sensor is reporting an implausibly low temperature or has failed electrically.

The thermistor itself is typically a negative temperature coefficient (NTC) component, meaning its resistance decreases as temperature rises. A short circuit collapses the resistance to near zero, causing the control board to receive erroneous temperature data. This can result in incorrect compressor cycling, poor temperature regulation, or a complete shutdown of the cooling system as a protective measure. Common causes of a shorted thermistor include physical damage to the sensor or its wiring harness, moisture intrusion into the connector, or internal component failure within the thermistor itself.

Diagnosis begins by disconnecting the thermistor and measuring its resistance with a multimeter, then comparing the reading against the thermistor resistance chart for the specific unit. A shorted thermistor will show resistance near zero ohms regardless of the ambient temperature. If the thermistor wiring and connectors are intact and the short is confirmed at the sensor itself, thermistor replacement is the indicated repair.

Source: manufacturer service documentation.

Common causes of E8

  1. 01

    Failed thermistor (internal short)

    Part replacement

    The thermistor itself has developed an internal short circuit, causing its resistance to drop to near zero ohms. This is confirmed by disconnecting the sensor and measuring resistance directly with a multimeter, then comparing against the thermistor resistance chart.

  2. 02

    Damaged wiring or harness

    Part replacement

    The wiring between the thermistor and the control board may be pinched, abraded, or otherwise damaged, causing two conductors to contact each other and create a short. Inspect the full length of the thermistor wiring harness for visible damage or chafing.

  3. 03

    Moisture intrusion at the connector

    Wiring / connection

    Water or ice buildup at the thermistor connector can bridge the electrical contacts and produce a false short circuit reading. Inspect the connector for corrosion, ice, or moisture and dry thoroughly before retesting.

  4. 04

    Corroded or damaged connector pins

    Wiring / connection

    Corrosion on the thermistor connector pins can create unintended electrical paths that mimic a short. Clean the connector pins and inspect for bent or collapsed contacts that may be bridging the circuit.

  5. 05

    Control board fault

    Part replacement

    In rare cases, the control board itself may incorrectly report an E8 fault due to a failure on the input circuit that reads thermistor resistance. This should only be considered after the thermistor and wiring have been confirmed good.

See the test procedure for each cause

Frequently asked questions about E8

What does E8 mean on a Electrolux freezer?
The E8 error code means the freezer's control board has detected a short circuit on the temperature thermistor. The thermistor is the sensor responsible for reporting the internal cabinet temperature, and a short causes its resistance to drop to near zero. This prevents accurate temperature monitoring and can disrupt normal cooling operation. Testing the thermistor resistance and comparing it to the thermistor chart is the first step in diagnosing this fault.
Can I fix the E8 error on my Electrolux freezer myself?
A knowledgeable DIYer comfortable with using a multimeter can diagnose the E8 fault by disconnecting the thermistor and measuring its resistance against the thermistor resistance chart. If the resistance reads near zero ohms, the thermistor needs to be replaced. Inspecting the wiring harness and connector for visible damage or moisture is also within reach for a careful DIYer. However, if the control board is suspected, professional service is recommended.
Is it safe to keep using my Electrolux freezer while E8 is displayed?
Continuing to run the freezer with an active E8 fault is not advisable. Because the thermistor is shorted, the control board cannot receive accurate temperature data, which means the compressor and cooling system may not cycle correctly. This puts stored food at risk of improper temperatures. It is best to transfer frozen goods to another unit and address the fault promptly.
Will resetting my Electrolux freezer clear the E8 error?
A power reset may temporarily clear the E8 error display, but if the thermistor remains shorted, the fault will return once the control board re-evaluates the sensor circuit. The underlying short circuit must be repaired by replacing the thermistor or correcting the wiring issue before the error will stay cleared permanently.
How much does it cost to repair an E8 error on an Electrolux freezer?
Repair costs depend on what component has failed. A replacement thermistor is generally an affordable part, with the sensor itself typically ranging from around $15 to $50 depending on the model. If professional labor is involved, total repair costs including the part and service call can range from roughly $100 to $250. A control board replacement, if required, would push costs higher.

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