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Error code reference

AEG Washer Error Code EF0

Aqua Control system activation

AEG codesAEG washer codes

Aqua Control system activation – float switch has triggered, indicating a water leak in the base.

First step from the service manual

Program is halted; once the float switch resets, the pump switches off. Press Start to resume the program from the point of interruption.

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

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What EF0 means on a AEG washer

The EF0 error code on an AEG washer indicates activation of the Aqua Control system, a built-in flood protection mechanism. When water accumulates in the base pan of the machine, it raises a float switch located at the bottom of the appliance. Once this float switch triggers, the machine immediately halts the current wash program and activates the drain pump to remove water from the drum, helping prevent further leakage from continuing unchecked.

The Aqua Control system is designed to detect even small amounts of water in the base tray before a full leak can cause floor damage or create a safety hazard. The float switch operates as a simple mechanical trigger: as water collects in the base, the float rises and closes the switch circuit, sending a signal to the control board that shuts down the program. The pump continues running until the float drops back to its resting position, indicating the water in the base has been addressed.

Common causes include leaking hose connections, a faulty door seal, a cracked drum or tub component, or a malfunctioning internal component such as a pump or dispenser. Once the float switch resets on its own, the pump switches off and the user can press Start to resume the program from the point of interruption. However, simply resuming the program without identifying the source of the leak is not advisable, as the underlying fault will likely trigger EF0 again.

Source: manufacturer service documentation.

Common causes of EF0

  1. 01

    Leaking door seal or gasket

    Part replacement

    A torn, cracked, or improperly seated door seal can allow water to drip down into the base pan during the wash cycle. Inspect the rubber gasket around the door opening for visible damage, mold buildup, or deformation.

  2. 02

    Loose or damaged water inlet or drain hose connection

    Wiring / connection

    Hose connections at the back of the machine or at internal component joints can loosen over time or develop small cracks, allowing water to drip into the base. Check all visible hose fittings for moisture, mineral deposits, or signs of weeping.

  3. 03

    Faulty or leaking drain pump

    Part replacement

    The drain pump housing or its connecting hoses can develop cracks or loose clamps, causing water to leak into the base rather than exit through the drain line. Look for water staining or residue around the pump area at the bottom of the machine.

  4. 04

    Detergent dispenser overflow or blockage

    Wiring / connection

    Excessive detergent use or a clogged dispenser drawer can cause water and foam to overflow internally and drip into the base pan. Check the dispenser compartment for buildup and test with a reduced detergent quantity.

  5. 05

    Cracked or leaking outer tub

    Part replacement

    Physical damage to the outer drum or tub can cause water to escape directly into the base during fill or agitation. This is less common but should be considered if no other leak source can be identified, and it typically requires a full tub inspection.

See the test procedure for each cause

Frequently asked questions about EF0

What does EF0 mean on a AEG washer?
EF0 on an AEG washer means the Aqua Control flood protection system has been triggered. Water has collected in the base pan of the machine and raised the float switch, causing the washer to halt the program and run the drain pump. The code is a warning that a water leak exists somewhere in or around the appliance and needs to be located before the machine is used again.
How do I fix the EF0 error on my AEG washer?
Start by pulling the machine away from the wall and checking for visible water on the floor or moisture around hose connections, the door seal, and the pump area. Allow the base to dry so the float switch can reset, then press Start to resume the program. Most importantly, identify and repair the source of the leak before running another full cycle, as EF0 will return if the leak is not resolved.
Is it safe to keep using my AEG washer after an EF0 error?
It is not recommended to continue using the washer without first finding and fixing the leak. While the Aqua Control system provides some protection, repeated water accumulation in the base can damage electrical components and create a shock or mold hazard. Running the machine again before addressing the leak will likely trigger EF0 again and could worsen the underlying problem.
Will resetting the AEG washer clear the EF0 error code?
The EF0 error will clear once the float switch in the base pan resets, which happens automatically when the accumulated water drains away and the float drops. Pressing Start after the float resets will allow the program to resume. However, resetting does not fix the cause of the leak, so the error will return if the faulty component is not repaired or replaced.
How much does it cost to repair an AEG washer showing EF0?
Repair costs vary depending on the source of the leak. A simple hose tightening or dispenser cleaning costs little to nothing, while replacing a door seal typically runs between 50 and 150 dollars including parts and labor. A drain pump replacement can range from 100 to 250 dollars, and more extensive repairs such as an outer tub replacement will cost considerably more. Getting a diagnosis from a qualified technician before ordering parts is advisable.

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