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Error code reference

AEG Washer Error Code EAA

DSP defective.

AEG codesAEG washer codes

DSP defective.

First step from the service manual

Replace DSP.

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

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What EAA means on a AEG washer

The EAA error code on an AEG washer indicates a defective DSP (Digital Signal Processor). The DSP is a dedicated processing component within the washer's control electronics, responsible for interpreting and managing signals related to machine operation, motor control, and sensor feedback. When the control system detects that the DSP is not functioning correctly or is producing invalid outputs, it triggers the EAA fault and halts operation to prevent further damage.

A DSP failure can stem from several root causes, including internal component failure due to age or manufacturing defects, damage caused by power surges or voltage spikes reaching the control board, or moisture and condensation affecting the electronic circuitry. Because the DSP is typically integrated into the main control board assembly rather than being a standalone replaceable chip in most modern washers, the failure often requires replacement of the control board or the module containing the processor.

The diagnostic path for EAA is direct: replacement of the DSP or the control unit housing it is the prescribed resolution. Unlike sensor-related fault codes that may clear with resets or wiring corrections, a defective DSP is a hardware fault. Attempting to power-cycle the machine may temporarily suppress the error display, but the fault will return during operation if the underlying hardware problem remains unresolved. Technicians should confirm the fault is not caused by external wiring issues before committing to component replacement.

Source: manufacturer service documentation.

Common causes of EAA

  1. 01

    Failed DSP or control board

    Part replacement

    The DSP itself has failed internally due to component wear, manufacturing defect, or age-related degradation. This is the most direct cause and requires replacement of the DSP or the control board module containing it.

  2. 02

    Power surge or voltage spike damage

    Part replacement

    A sudden surge in the electrical supply can damage sensitive processor components on the control board. Evidence of burn marks or scorched areas on the board may be visible upon inspection.

  3. 03

    Moisture or condensation on control electronics

    Part replacement

    Water ingress or condensation reaching the control board can cause short circuits or corrosion that disrupt DSP function. Inspect the board and surrounding housing for signs of moisture damage or corrosion.

  4. 04

    Loose or damaged wiring to the control module

    Wiring / connection

    Poor connections or damaged wiring harnesses between the control board and other components can cause signal errors that trigger the DSP fault. Check all connectors to the control unit for security and integrity before replacing parts.

See the test procedure for each cause

Frequently asked questions about EAA

What does EAA mean on a AEG washer?
The EAA code on an AEG washer indicates that the DSP (Digital Signal Processor), a key component within the machine's control electronics, has been detected as defective. The washer's control system monitors DSP function and will halt operation when it determines the processor is not working correctly. This is a hardware-level fault, and the prescribed fix is replacement of the DSP or the control unit containing it.
Can I fix the EAA error myself on an AEG washer?
Before replacing any parts, you can check that all wiring connections to the control board are secure and free from visible damage or corrosion, as a loose connection can sometimes trigger control faults. However, if the DSP itself has failed, resolving the EAA error requires replacing the defective component, which involves working with internal electronics. Unless you have experience with appliance electronics repair, this job is best handled by a qualified technician.
Will resetting my AEG washer clear the EAA error?
A power reset may temporarily clear the error display, but if the DSP is genuinely defective, the EAA fault will return once the machine attempts to operate. The code points to a hardware failure rather than a software glitch or temporary sensor misread, so a reset is not a lasting solution. The underlying component issue must be addressed to resolve the fault permanently.
Is it safe to use my AEG washer with the EAA error showing?
You should not continue using the washer while the EAA error is active. The control system has flagged a failure in the DSP and halted operation specifically to prevent further damage. Running the machine in this state could lead to unpredictable behavior or additional damage to other components.
How much does it cost to repair an EAA error on an AEG washer?
Repair costs for an EAA fault depend on whether the DSP is replaceable as a standalone component or requires a full control board replacement, as well as local labor rates. Parts costs for a control board or control module can range from around 80 to 250 dollars or more depending on the specific model, with additional labor charges on top. Getting a diagnostic assessment from a qualified technician before ordering parts is advisable to confirm the exact component needed.

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