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Beko E27 fault codewhat it means and how to fix it

Get it checkedWashing machinePublished in the BM3WT3741 and BM1WU3721 diagnostic readout table.Last updated

Beko print no cause for E27 at all — only the instruction "check the water drain of the machine". The blank cell is deliberate, and it tells you something.

Take care

Some of this is safe to check yourself, but the repair itself is not. If the fault comes back after one reset, stop resetting it and get a qualified appliance engineer to look at the Beko properly.

What E27 means

E27 is one of two codes where Beko merge the cause cell in their own table and print nothing in it. All they publish is the remedy: check the water drain of the machine, cross-referenced to their section on connecting the drain hose to the drain. We are not going to invent a cause line they did not write.

What the remedy tells you is that Beko are pointing outside the machine rather than inside it — the drain hose and where it connects, rather than the pump. That distinction is what separates E27 from E5, which is explicitly the pump filter. Read together, the pair covers the drain path in two halves: E5 for the trap inside the machine, E27 for everything after it. The things that go wrong on that side are the standpipe silting up, the hose pushed too far down into the standpipe so it siphons, the hose sitting too low or too high, and a shared kitchen waste that is blocked with grease somewhere else entirely.

Beko publish a height range for the drain elsewhere in the same manual family, and a hose looped over the wrong height is a genuinely common cause of a machine that empties slowly rather than not at all.

What causes it

Causes of the Beko E27 fault code, most common first
CauseWhat is actually happeningHow likely
Drain hose kinked or crushedBehind the machine, usually from being pushed back. The first thing to look at because it costs nothing.Common
Standpipe or household waste blockedGrease and detergent scale build up in the pipe rather than in the machine. The machine is healthy; the plumbing is not.Common
Hose at the wrong height or pushed too far inToo low and it siphons the drum empty as it fills; too high and the pump cannot lift the water. Beko cross-refer to their own drain connection instructions.Occasional

What to try yourself

  1. Pull the machine out and look at the whole run of the drain hose. Straighten any kink and check the machine is not standing on it.

  2. Check where the hose enters the standpipe. It should sit in the top of the pipe, not be pushed down into the water below.

  3. Pour a couple of litres of water down the standpipe on its own. If it backs up, the blockage is in your plumbing rather than the machine.

  4. If the machine shares a waste with a sink, check the sink drains freely too. A greasy trap upstream will stop the machine emptying.

  5. Clean the pump filter as well, so you can rule out the inside of the machine before calling anyone.

Get a qualified appliance engineer to look at your Beko E27

We do not pass enquiries to a repair firm, so there is no form here. When you book a qualified appliance engineer, tell them the make, the model and the exact code or message on the display, and ask whether they carry parts for this make — that is what turns one visit into a repair rather than a quote.

What it costs to fix

Typical repair cost

£0–£120

Time on site

25 minutes

Nothing if it is a kink or a standpipe you can clear. A plumber to clear a blocked kitchen waste is typically £80 to £120.

Typical UK prices including parts and labour, updated September 2026. Your quote may differ.

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Written by

Andrew Pickett

Researcher and writer

Last updated

Technical review

Not reviewed by an engineer

No engineer has read this page. Severity follows what the manufacturer publishes, and we would rather tell you that than let a byline imply a sign-off.

What we check instead

Sources and how we verified this

We establish the facts from the sources below and then write the explanation ourselves. We do not copy manufacturer wording and we do not host their manuals.

  • Manufacturer technical and service documentation

This page has not been reviewed by an engineer, and we would rather tell you that than imply otherwise. The severity rating follows what the manufacturer publishes: where they say isolate the appliance and call someone, so do we.

Read our full verification process

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