Electrolux Washer E21 — What It Means & How to Fix It
E21 appears when the pump-out phase runs longer than the washer allows; water is still leaving the tub, just not fast enough.
What this code means
E21 means the washer's pump-out phase ran longer than the allowed time — water is still draining, just slower than the machine expects. Electrolux's own troubleshooting starts with the drain hose.
Applies to Electrolux front-load washers (EFL/ELFW and EIFLW series); drain problems in this family can display as E21 (slow) rather than a total-blockage code.
Most likely causes
| Cause | How likely | DIY-fixable? |
|---|---|---|
| Drain hose kinked or pinched | Common | Yes — straighten it |
| Drain pump filter blocked with lint, coins or small items | Common | Yes — clean the filter |
| Drain hose installed wrong (too deep in the standpipe or too high) | Occasional | Yes — re-route per manual |
| Weak drain pump | Less common | No — technician job |
What you can try yourself
- Cancel the cycle and check the drain hose behind the washer — if it's kinked or pinched, straighten it and retry.
- Confirm the drain hose lands in the standpipe the way your Use & Care Guide shows, and isn't pushed in too far.
- Turn off and unplug the washer, open the lower access panel and clean the drain pump filter, catching water with towels and a shallow pan.
- Run water directly into the standpipe to confirm the house drain is clear — if it's slow, that's a plumbing issue, not the washer.
- If draining is still slow after cleaning, the pump or its electronics need a technician's test.
Seeing the symptom rather than the code? Washer won't drain: checks that apply across brands.
When to call a technician
- If the pump hums but nothing drains, stop cycling the washer — a jammed impeller needs inspection.
- If water backs up at the base, stop and mop up before pulling the filter.
- If the filter is clean and the hose is straight but E21 returns, schedule service instead of repeating retries.
Typical professional repair cost: $0–$100 for the DIY fixes; a professional drain-pump replacement runs $200–$350
Frequently asked questions
Will E21 clear on its own?
Sometimes, if a kink straightens or a loose item washes free. But clean the pump filter and check the hose first — those cause most E21 cases.
Is a clogged filter the most likely cause?
Very common — coins, lint and small items collect there, and cleaning it is the first thing most technicians do.
What if water drains fine when I check the standpipe?
Then the restriction is inside the washer — usually the pump filter or pump itself, and a technician may be needed.
Sources checked
Error meanings can vary by model. This guide was checked against the documentation above; use the manual for the model number on your own appliance when it differs.
Related Electrolux codes
- Electrolux Washer E11 E11 appears when the wash phase tries to fill but can't reach the right water level in time — water is arriving, just too slowly, or not at all.
- Electrolux Washer E13 E13 is the washer's leak alarm — it senses water where it shouldn't be, usually in or under the tub area, and stops the cycle to protect the electronics.
- Electrolux Washer E31 E31 points to the electronic pressure switch — the part that tells the washer how full the tub is — and the control board is rejecting its signal.
- Electrolux Washer E35 E35 is the washer's 'too much water' alarm — the pressure sensor says the tub is overfilled, and the washer drops into a safety drain.
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