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Error code reference

AEG Washer Error Code E94

Circulation pump defective or triac defective.

AEG codesAEG washer codes

Circulation pump defective or triac defective.

First step from the service manual

Replace circulation pump.

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

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What E94 means on a AEG washer

Error code E94 on an AEG washer indicates a fault with the circulation pump or the triac responsible for controlling it. The circulation pump is the component that moves water through the wash system during the cycle, ensuring proper spray pressure and water distribution. The triac is an electronic switching component located on the main control board that regulates power delivery to the circulation pump motor. When the control board detects an abnormal signal or no signal from this circuit, it triggers the E94 fault and halts operation.

The most common cause of E94 is a failed circulation pump, either due to a seized motor, burned windings, or a blocked impeller that causes the motor to draw excessive current. In these cases, the triac on the control board may also be damaged as a secondary failure, since a shorted or overloaded pump can destroy the switching component. It is important to test the pump directly before assuming the control board is at fault, as replacing a board when the pump is the root cause will result in repeat failure.

Diagnosing this code correctly requires checking whether the circulation pump receives proper voltage during operation and whether it responds by running. If the pump receives voltage but does not run, the pump itself is defective. If the pump receives no voltage despite the control board being commanded to activate it, the triac on the board may have failed open. Both components should be evaluated systematically to avoid unnecessary part replacement.

Source: manufacturer service documentation.

Common causes of E94

  1. 01

    Failed circulation pump motor

    Part replacement

    The pump motor may have seized, burned out, or developed an open winding, preventing it from running. This is the first component to replace per the diagnostic procedure, as it is the most frequent cause of E94.

  2. 02

    Blocked pump impeller

    Wiring / connection

    Foreign objects such as coins, debris, or lint can jam the impeller inside the circulation pump, causing the motor to stall and draw excessive current. Inspect and clear the impeller before replacing the entire pump assembly.

  3. 03

    Defective triac on the control board

    Part replacement

    The triac that switches power to the circulation pump can fail open or short, cutting off or disrupting power delivery to the pump. If the pump tests as functional but still receives no voltage, the control board triac is likely the fault.

  4. 04

    Wiring or connector fault between board and pump

    Wiring / connection

    Damaged wiring, corroded connectors, or a loose harness between the control board and the circulation pump can interrupt the circuit and trigger E94. Inspect all connections along the pump wiring harness for continuity and secure seating.

See the test procedure for each cause

Frequently asked questions about E94

What does E94 mean on a AEG washer?
E94 indicates that the control board has detected a fault with the circulation pump or the triac that controls it. The circulation pump moves water through the system during the wash cycle, and the triac is the electronic switch on the control board that powers the pump. The machine will not complete a cycle until the underlying fault is repaired.
Can I fix E94 on my AEG washer myself?
A knowledgeable DIYer can attempt this repair by first checking the circulation pump for obstructions and testing it for continuity. If the pump impeller is clear but the pump motor fails a continuity test, replacing the pump is the recommended first step. If the pump is functional but the error persists, the control board triac may need replacement, which is a more advanced repair.
Is it safe to keep using my AEG washer when E94 is showing?
No, you should not attempt to run the machine while E94 is active. A defective circulation pump or a faulty triac can cause the motor circuit to draw abnormal current, which could cause further electrical damage to the control board or other components. Stop using the appliance until the fault is diagnosed and repaired.
How much does it cost to fix error code E94 on an AEG washer?
If the circulation pump is the cause, replacement pump parts typically cost in the range of $40 to $120 depending on the specific model, plus labor if a technician is hired. If the control board triac is the failure point, a complete board replacement can range from $100 to $300 or more for parts alone. Getting a diagnosis first helps avoid replacing the wrong component.
Will resetting my AEG washer clear the E94 error code?
A reset may temporarily clear the error code display, but the fault will return as soon as the machine attempts to activate the circulation pump again. E94 indicates a hardware failure in the pump or its control circuit, so the code will reappear until the defective component is repaired or replaced. A reset alone is not a fix for this error.

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