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Error code reference

Electrolux Oven Error Code Epr1

Single point core probe failure

Electrolux codesElectrolux oven codes

Single point core probe failure - stops only food probe cycles. Food probe misuse, connector failure, probe failure, or ACU failure.

First step from the service manual

Check X15, X16 and X17 on ACU; check food probe; replace food probe.

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

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What Epr1 means on a Electrolux oven

The Epr1 error code on an Electrolux oven indicates a single point core probe failure within the food probe circuit. This fault is specific to the oven's food probe system, which allows the appliance control unit (ACU) to monitor the internal temperature of food during cooking. When Epr1 is triggered, the oven stops only food probe-based cooking cycles, meaning standard bake and broil functions remain available. The ACU monitors the probe signal through connectors designated X15, X16, and X17, and any disruption in continuity or signal integrity across these points will generate this fault.

The most likely causes fall into four categories: food probe misuse, connector failure, probe failure, or ACU failure. Probe misuse includes situations where the probe is inserted incorrectly, left connected during a self-clean cycle, or physically damaged through improper handling. Connector failures at X15, X16, or X17 on the ACU are also common, often resulting from heat exposure, corrosion, or a loose connection that interrupts the probe signal path.

Diagnosis begins at the ACU by inspecting connectors X15, X16, and X17 for secure seating, corrosion, or damage. The food probe itself should also be tested for continuity and correct resistance output. If the probe and connectors check out within spec, the ACU may be the source of the fault. Replacing the food probe is the recommended first corrective action before moving on to ACU evaluation.

Source: manufacturer service documentation.

Common causes of Epr1

  1. 01

    Food probe misuse or damage

    Part replacement

    The probe may have been left connected during a self-clean cycle, inserted incorrectly, or physically damaged. Inspect the probe tip and cable for visible burns, kinks, or broken connectors.

  2. 02

    Probe connector failure at ACU (X15, X16, or X17)

    Wiring / connection

    The connectors at positions X15, X16, and X17 on the ACU can work loose or corrode over time, breaking the signal path from the probe. Check each connector for secure seating and signs of corrosion or heat damage.

  3. 03

    Food probe failure

    Part replacement

    The probe itself may have failed internally, producing an out-of-range or absent resistance signal that the ACU interprets as a fault. Testing probe continuity and replacing it is the recommended first corrective step.

  4. 04

    ACU (Appliance Control Unit) failure

    Part replacement

    If the probe and all connectors test correctly, the ACU may have failed internally and is unable to properly read the probe circuit. This is the least common cause and is typically diagnosed after all other components are ruled out.

See the test procedure for each cause

Frequently asked questions about Epr1

What does Epr1 mean on a Electrolux oven?
Epr1 indicates a single point core probe failure in the food probe circuit. The oven has detected a problem with the food temperature probe or its connection to the appliance control unit. This fault stops food probe-based cooking cycles but does not disable standard baking or broiling functions. The issue can stem from a damaged probe, a loose or corroded connector at X15, X16, or X17 on the ACU, or an ACU failure.
Can I still use my Electrolux oven when Epr1 is displayed?
Yes, standard cooking functions such as bake and broil should remain fully operational when Epr1 is active. Only cooking cycles that rely on the food probe for temperature monitoring are disabled. You can continue using the oven normally as long as you do not need probe-based cooking. Disconnect the food probe if it is currently inserted and test whether those standard modes work without issue.
Will resetting the oven clear the Epr1 error code?
A power reset may temporarily clear the Epr1 code, but the fault will return if the underlying problem is not resolved. If the probe is damaged, improperly connected, or the ACU connectors are faulty, the error will reappear once a probe cycle is attempted. The root cause at the probe, connectors, or ACU must be addressed to permanently clear the fault.
Is the Epr1 error on my Electrolux oven a safety concern?
The Epr1 fault is not a safety hazard for general oven use, as it only disables probe-based cooking cycles. However, if you rely on the food probe to ensure meat or poultry reaches a safe internal temperature, you should not use probe-guided cooking until the fault is repaired. Use an independent food thermometer in the meantime to verify safe cooking temperatures.
How much does it cost to fix an Epr1 error on an Electrolux oven?
Repair costs depend on which component has failed. A replacement food probe typically costs in the range of $20 to $60 for the part, making it the most affordable fix if that is the source of the fault. If the ACU requires replacement, parts and labor costs can range from $200 to $500 or more depending on your model and service rates in your area. Starting with a probe replacement is recommended since it is the most likely and least expensive cause.

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