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AEG washing machine

AEG E20 error code: drain blocked

The machine cannot drain.

DIY: easyTypical repair: £70–£150 for a pump replacement including parts; filter clearing is free.

Likely causes

  • Blocked pump filter
  • Blocked drain hose

How to fix E20

  1. Unplug the washing machine (or switch off at the wall) for 5–10 minutes to clear any temporary fault, then restart it.
  2. Clean the filter and hose.
  3. Run a short test cycle. If E20 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

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Frequently asked questions

What does AEG error code E20 mean?

The machine cannot drain. On a AEG washing machine, E20 is shown as "drain blocked".

How do I clear the E20 error on a AEG washing machine?

Switch the appliance off at the wall for 5–10 minutes, then restart. If E20 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 E20?

£70–£150 for a pump replacement including parts; filter clearing is free. is typical, depending on the part. Simple blockages cost nothing to clear yourself.

Does E20 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.