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E40

Electrolux E40 on a dryer: door not closing properly

Verified with sources2 sourcesReviewed Oct 4, 2026
Technician coming? See the 2 steps they must show you
Front-loading tumble dryer
Sweetie candykimCC0Image source

Risk level

Low

Usually safe to check without specialist tools.

Urgency

Low

Quick answer

On an Electrolux tumble dryer, E40 means a problem with the door closing properly, and the dryer will not start until it is correctly closed. Check no laundry is trapped between the door and the seal and close it until it clicks.

Safety first

Stop and check this first

  • Do not force the door or try to bypass the lock: the dryer must not turn with the door open. If the lock is broken, leave it to the service.

Safe checks you can perform

  • Laundry between door and seal
  • Load and door seal
  • Reset

Leave these tasks to a qualified professional

  • Do not attempt this professional task: Door test cycle
  • Do not attempt this professional task: Door lock and sensor check

What a technician must be able to justify

Technician visit

These are the steps they must carry out and show you. Tick them as they work: if steps are skipped, do not accept a part swap.

These are not instructions for opening or handling the equipment yourself. They are the checks that should support a technical conclusion.

  1. Door test cycle

    What they doAfter the repair, the technician closes the door, starts a programme and checks it runs without E40.

    They must show youthe programme running without E40.

    In writingthe test carried out, the result and the date.

  2. Door lock and sensor check

    What they doThe technician checks the lock mechanism and, with the dryer unplugged and a multimeter, the door sensor and its wiring against Electrolux's specification.

    They must show youthe state of the lock and the sensor value measured against the specification.

    In writingthe failing part, its part number if replaced and the reason.

Before accepting a part or repair

Nothing has been shown yet. Do not accept a part swap based on the code alone.

Follow these steps

Note: Follow the documented order. An error code identifies the affected system, but it does not prove by itself which part has failed.

  1. Laundry between door and seal

    No special tools

    Who:
    you.
    How:
    open the door, tuck in any garment that sticks out and close it firmly until it clicks.
    Result that matters:
    whether the dryer starts with the door properly closed.
    If it starts without E40:
    it was trapped laundry.
    If E40 continues:
    check the load and the seal.
    Evidence to keep:
    note of what you found.

    Evidence: La secadora muestra el código de error E40 · Tumble dryer displays error message E40

  2. Load and door seal

    No special tools

    Who:
    you, with the dryer unplugged.
    How:
    take some laundry out if the drum is full and clean the seal with a soft damp cloth and mild detergent.
    Result that matters:
    ruling out the load or dirt preventing the door closing.
    If with less load or a clean seal it closes and starts:
    that was it.
    If the door clicks shut and E40 continues:
    do the reset.
    Evidence to keep:
    photo of the clean seal.

    Evidence: Tumble dryer displays error message E40

  3. Reset

    No special tools

    Who:
    you.
    How:
    unplug the dryer, wait 30 seconds, plug it back in, switch it on and select a programme.
    Result that matters:
    whether E40 was a one-off.
    If it starts and dries:
    solved.
    If E40 returns:
    call Electrolux's authorised service; the lock or sensor may be damaged.
    Evidence to keep:
    photo of the code after the reset.

    Evidence: La secadora muestra el código de error E40 · Tumble dryer displays error message E40

Still not solved

If the error persists, stop here. See what the technician must do and show you.

Where this code applies

A code is meaningful only inside the right product and version context.

Primary scope

System
Appliances
Brand
Electrolux
Product type
Dryers

Known code variants

  • 40
  • AEG E40 error
  • AEG Fehler E40
  • AEG lavadora E40
  • AEG lavatrice E40
  • AEG lave-linge E40
  • AEG Waschmaschine E40
  • AEG washer E40
  • Baxi 40
  • Baxi E 40
  • code erreur AEG E40
  • E 40
  • E40 AEG lavadora
  • E40 AEG lavatrice
  • E40 AEG lave-linge
  • E40 AEG Waschmaschine
  • E40 AEG washer
  • E41
  • Electrolux dryer E40
  • Electrolux dryer E40 door
  • Electrolux E40 lavadora
  • Electrolux secadora E40
  • Electrolux tumble dryer error E40
  • Electrolux washer 4 beeps
  • Electrolux washer door not locking
  • Electrolux washer E41 door
  • Electrolux washer error E40
  • Electrolux washing machine E40
  • Error 40 Baxi
  • error AEG E40
  • error E40 lavadora Electrolux
  • error E40 lavadora Zanussi
  • error E40 secadora Electrolux
  • errore AEG E40
  • lavadora Electrolux 4 pitidos
  • lavadora Electrolux no arranca puerta
  • lavadora Electrolux puerta no cierra
  • lavadora Zanussi 4 pitidos
  • Neodens Plus 40
  • secadora Electrolux E40 puerta
  • Zanussi lavadora E40
  • Zanussi lavadora E41
  • Zanussi washer 4 beeps
  • Zanussi washer E40
  • Zanussi washer E41
  • Zanussi washing machine error E40

What it means

Electrolux says E40 indicates a problem with the proper closure of the door and that the dryer will not start until the door is correctly locked. The dryer monitors the door with a lock and a detector; trapped laundry, a dirty seal or overloading stop it closing. Electrolux UK adds that if none of these explains it, the lock mechanism or door sensor may be damaged, which needs a service visit. The code does not say which of them has failed.

Warnings and stop conditions

  • Loweditorial warning

    Do not force the door or try to bypass the lock: the dryer must not turn with the door open. If the lock is broken, leave it to the service.

    Evidence: Tumble dryer displays error message E40

Symptoms and causes

Probable causes · in order

  • Laundry trapped in the doorCommon

    A garment between the door and the seal stops it closing; you see it when you open the door and look at the edge.

    Evidence: La secadora muestra el código de error E40 · Tumble dryer displays error message E40

  • Drum overloadedPossible

    Electrolux says not to overload the drum; with less laundry the door closes without forcing.

    Evidence: Tumble dryer displays error message E40

  • Dirty sealPossible

    Lint or debris on the door seal stops a clean close; you see it when checking the seal.

    Evidence: Tumble dryer displays error message E40

  • Damaged lock or door sensorPossible

    If the door clicks shut with no laundry or dirt in the way and E40 persists after a reset, the mechanism or sensor is at fault.

    Evidence: Tumble dryer displays error message E40

Virtual technician

Does E40 still appear after these checks?

Answer a few questions to narrow down the likely cause and the safest next action. Guidance only - it never replaces a professional.

Start diagnosis

Sources and technical references

  1. 1

    La secadora muestra el código de error E40

    Electrolux · official_doc

  2. 2

    Tumble dryer displays error message E40

    Electrolux · official_doc

Sources: La secadora muestra el código de error E40 · Tumble dryer displays error message E40reviewed 2026-10-04 · verified

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