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AEG washing machine

AEG E40 error code: door not closed

The door is not closed properly.

DIY: easyTypical repair: £60–£130.

Likely causes

  • Door not shut
  • Latch fault

How to fix E40

  1. Unplug the washing machine (or switch off at the wall) for 5–10 minutes to clear any temporary fault, then restart it.
  2. Close the door firmly.
  3. Run a short test cycle. If E40 returns, the fault is still there and an engineer should look at it.
Always switch off and unplug the appliance before inspecting it. Never work on gas appliances or fixed electrical wiring yourself — call a Gas Safe registered engineer or a qualified electrician.

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Full fault guide

Other AEG washing machine error codes

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Frequently asked questions

What does AEG error code E40 mean?

The door is not closed properly. On a AEG washing machine, E40 is shown as "door not closed".

How do I clear the E40 error on a AEG washing machine?

Switch the appliance off at the wall for 5–10 minutes, then restart. If E40 comes back, work through the checks on this page — the fault is real and needs fixing, not just resetting.

How much does it cost to fix AEG E40?

£60–£130. is typical, depending on the part. Simple blockages cost nothing to clear yourself.

Does E40 mean the same on every AEG model?

Not always. Codes are broadly consistent within a brand, but model ranges differ. Check your manual if the symptoms below don’t match.