Kenmore 417 washer E21: slow drain
Sears PartsDirect says E21 means the washer drains slowly and directs users to check the house drain and washer drain hose for clogs first.
What this guide covers
Error codes: E21
This guide follows a structured decision tree built from manufacturer troubleshooting information. It does not assume that the most commonly replaced part is the failed part, and it does not show an exact-fit replacement part unless model compatibility has been independently verified.
Continue this exact diagnostic
Safe troubleshooting sequence
Start with the observations and external checks that can be verified without opening energized assemblies. The interactive version asks these in order and changes the path based on your answers.
- Check the external drain pathThe house drain and drain hose are the first safe checks in the Sears path.
What the answers can lead to
Clear the external drain restriction
A blocked house drain or hose can cause E21.
Evidence strength: Strong
E21 remains with the external drain path clear
The Sears guide next points to the drain pump/internal path, which requires service-level access.
Evidence strength: Strong
When professional diagnosis is the safer next step
The Sears guide next points to the drain pump/internal path, which requires service-level access.
Appliance Verdict stops before energized electrical testing, gas-system work, sealed-system work, and other checks that can create unnecessary risk. A technician can use the model, issue, and completed checks from the interactive diagnostic as a starting point.
Repair or replace?
A diagnosis and a repair decision are different questions. Once you have a real repair quote, compare the total repair cost with the all-in price of a comparable replacement. Warranty or protection-plan coverage, appliance age, reliability history, efficiency, and likely future repairs can all matter. Appliance Verdict’s interactive result includes a transparent cost comparison rather than a black-box replacement recommendation.
Manufacturer sources
Dataset reviewed through 2026-09-11. Appliance Verdict is independent and is not endorsed by the manufacturers cited. Always follow the exact owner or service documentation for your model.
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