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Error code reference

Electrolux Freezer Error Code CE

Communication error between the user interface (UI) and electronic control unit (ECU).

Electrolux codesElectrolux freezer codes

Communication error between the user interface (UI) and electronic control unit (ECU).

First step from the service manual

Check connection between UI and ECU; press mute sounds key to stop audible alarm.

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

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What CE means on a Electrolux freezer

The CE error code on an Electrolux freezer indicates a communication failure between the user interface (UI) board and the electronic control unit (ECU). These two components continuously exchange data signals to coordinate functions such as temperature display, alarm management, and user input processing. When that signal path is interrupted or corrupted, the control system flags a CE code and triggers an audible alarm to alert the user.

The most common root cause of this error is a loose, damaged, or disconnected wiring harness between the UI and ECU. Vibration during normal operation or handling during installation can work connectors loose over time. In other cases, a failed UI board or ECU may be unable to send or receive the expected communication signals, even when the wiring itself is intact. Moisture ingress or corrosion at connector terminals can also degrade signal integrity enough to cause intermittent or persistent CE faults.

Diagnosing this code starts with a physical inspection of the wiring harness connecting the two boards. Check that all connectors are fully seated and that no wires show signs of damage, pinching, or corrosion. Pressing the mute sounds key will silence the audible alarm while diagnostics are performed. If the connections appear sound and the error persists, the UI board or ECU itself may need to be tested or replaced.

Source: manufacturer service documentation.

Common causes of CE

  1. 01

    Loose or disconnected wiring harness

    Wiring / connection

    The cable connecting the UI board to the ECU may have worked loose due to vibration or handling. Inspect both ends of the harness for fully seated connectors.

  2. 02

    Corroded or damaged connector terminals

    Wiring / connection

    Moisture or condensation can corrode the connector pins between the UI and ECU, degrading the communication signal. Look for discoloration, oxidation, or moisture at the connector contacts.

  3. 03

    Failed user interface (UI) board

    Part replacement

    If the UI board itself has failed, it will be unable to send or receive communication signals to the ECU even with all wiring intact. A non-responsive display or repeated CE faults after reseating connections can point to a faulty UI board.

  4. 04

    Failed electronic control unit (ECU)

    Part replacement

    A malfunctioning ECU may not be able to maintain communication with the UI board. This is typically diagnosed after ruling out wiring and UI board issues.

  5. 05

    Pinched or broken wire in the harness

    Part replacement

    Physical damage to the wiring harness, such as a pinched or broken wire, can interrupt the communication path entirely. Trace the full length of the harness for any visible damage.

See the test procedure for each cause

Frequently asked questions about CE

What does CE mean on a Electrolux freezer?
CE stands for communication error on an Electrolux freezer. It means the user interface board and the electronic control unit have lost contact with each other and can no longer exchange data. The freezer will typically sound an audible alarm, which can be silenced by pressing the mute sounds key. The underlying cause is usually a wiring issue or a failed board.
How do I fix a CE error on my Electrolux freezer?
Start by checking the wiring harness that connects the user interface board to the electronic control unit. Make sure all connectors are fully seated and look for any signs of corrosion, moisture, or physical damage to the wires. If the connections look good and the code returns, one of the two boards may need to be replaced by a qualified technician.
Will resetting my Electrolux freezer clear the CE error code?
A reset may temporarily clear the CE code if the fault was caused by a brief signal interruption, but it will not fix an underlying wiring problem or a failed board. If the communication issue persists after a reset, the error code will return. A thorough inspection of the harness and connectors is needed to resolve a recurring CE fault.
Is it safe to keep using my Electrolux freezer when the CE code is showing?
A CE error means the control system cannot reliably communicate between its main boards, so the freezer may not respond correctly to temperature changes or user commands. It is advisable not to rely on the freezer for storing critical items until the fault is diagnosed. Perishable or sensitive contents should be moved as a precaution if the unit is not maintaining proper temperatures.
How much does it cost to repair a CE error on an Electrolux freezer?
Repair costs vary depending on the root cause. If the fix is simply reseating a loose connector, the cost may only be a service call fee, typically in the range of $75 to $150. Replacing a UI board or ECU will add parts costs, which can range from $100 to $350 or more depending on the specific components needed, plus labor.

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