Electrolux Washing Machine Error Code E21

Reviewed by the ApplianceErrors Editorial Team · Verified against manufacturer service documentation · Last verified: July 19, 2026

⚠ High Severity 🔧🔧 Moderate DIY

Drain error — water not pumping out fast enough

The most common cause of the E21 error on a Electrolux washing machine is pump filter clogged (~50% of cases); start with: clean the pump filter.

💰 DIY cost: $0–$90 👨‍🔧 Pro cost: $150–$280 Save $150+ by doing it yourself

Electrolux Washing Machine error code E21 on the display panel — How the E21 code appears on a Electrolux washing machine display

What Does Error Code E21 Mean on a Electrolux Washing Machine?

Drain error — water not pumping out fast enough.

The control board monitors the water-level sensor during the drain phase and expects the tub to reach the empty threshold within a set time window. When flow is too slow or absent, E21 fires. It differs from E20, which flags an outright drain-circuit fault or open pump connection, and from E23, which points to a pump control/wiring issue. E21 specifically indicates the pump is trying but water isn't clearing fast enough, most often from a clogged filter or restricted drain path.

Models affected: Electrolux front-load washers, including models such as EFLS627UTT and ELFW7637AT

What owners report: Owners commonly report E21 appearing mid- or end-of-cycle with standing water left in the drum, often after washing items that shed lint, coins, or debris. Cleaning the pump filter behind the lower panel is frequently the quick win; a kinked hose pushed against the wall after the machine was moved is another common false trigger.

What Causes Error Code E21?

Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:

1

Pump filter clogged 50% of cases
2

Drain hose kinked or blocked 25% of cases
3

Standpipe restricted 15% of cases
4

Drain pump worn 10% of cases

How to Fix Electrolux Washing Machine Error Code E21

🔧🔧 Moderate DIY Est. time: 30–60 min

⚡ Safety first: Unplug the appliance before opening any panels or touching internal components.

1

Clean the pump filter

Behind the lower access panel. Drain residual water, remove and clear the filter.

⚠️ Have towels ready for residual water.
2

Check the drain hose and standpipe

Confirm no kinks and that the standpipe is not blocked.
3

Test the drain pump

If the path is clear, test the pump motor.

🔩 Electrolux drain pump ($45–$90)

How to Reset Error Code E21

After clearing, run a Spin/Drain cycle.

Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.

Full Electrolux washer reset guide → Enter diagnostic mode → Symptom guide: Washer won't drain →

Did this guide fix your appliance?

When to Call a Professional

If the filter and hose are clear but the pump tests failed, replace the pump.

Average professional repair cost for this issue: $150–$280

Related Error Codes

E20

Drain error — water not draining

⚠ High Severity

E23

Drain pump triac/relay failure on the control board

⚠ High Severity

Same Code on Other Brands

Error code E21 appears on these other brands too. See every brand that shows E21 →

Bosch Washing Machine F21

Motor fault — drum not spinning or motor running abnormally

Frigidaire Washing Machine E21

Drain time exceeded — water not draining

Find Replacement Parts

Use these links to find the exact replacement parts for your Electrolux Washing Machine:

🔩

Search PartSelect

Electrolux Washing Machine repair parts

🔧

Search RepairClinic

Step-by-step video guides

External links — ApplianceErrors.com is not affiliated with these retailers.

More Electrolux Washing Machine Error Codes

E10 Water inlet error — no water detected E40 Door not closed or door lock failure E50 Motor failure E90 Wiring harness fault — communication error E11 Long fill time — washer not filling during the wash phase E13 Water leak detected — level dropping when it should not

Frequently Asked Questions

Can I keep using my Electrolux Washing Machine when error E21 appears? +

It is not advisable. The washing machine may still power on, but running it while E21 is active can worsen the drainage fault or damage related parts. Treat it as a soon-as-possible repair.

What most commonly causes E21 on a Electrolux Washing Machine? +

Across reported Electrolux washing machine repairs, the most frequent is pump filter clogged (50% of cases), drain hose kinked or blocked (25%), then standpipe restricted (15%). Check them in that order before replacing any parts.

E21 keeps coming back after a reset — what should I check next? +

A reset only clears the stored E21 fault; if it returns, the drainage problem is still present. Move on to the physical checks — clean the pump filter, then check the drain hose and standpipe — since the code will reappear until the root cause is resolved. This is a moderate job — a multimeter and some disassembly are usually involved.

How much does it cost to fix Electrolux Washing Machine error E21? +

A DIY repair typically runs $0–$90 in parts, versus $150–$280 for a professional service call, so handling it yourself saves around $150. Expect the work to take roughly 30–60 minutes.

Which Electrolux Washing Machine models show error E21? +

E21 is documented on Electrolux front-load washers, including models such as EFLS627UTT and ELFW7637AT. Other units sharing the same control platform can display it too, so the fixes here generally transfer across the series.

Sources & References

• Electrolux Support — official manufacturer documentation
• Our editorial & verification policy

Content verified against manufacturer service documentation. Last verified: July 19, 2026.

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