Kenmore · Washer / dryer
F21 Long drain / drain error (washer)
What this code means
Kenmore washers built on the Whirlpool platform share the same drain-timeout logic.
Most likely causes
- Clogged drain pump filter
- Kinked drain hose
What to try first
Clean the drain filter access point at the bottom front of the cabinet.
Good news: this one is often fixable without a service call. If it persists after the steps above, have it looked at.
Find the part on Amazon →FAQ
What does Kenmore error code F21 mean?
Long drain / drain error (washer). Kenmore washers built on the Whirlpool platform share the same drain-timeout logic.
Can I fix Kenmore code F21 myself?
Often, yes. Clean the drain filter access point at the bottom front of the cabinet.
What causes Kenmore code F21?
The most common causes are: clogged drain pump filter; kinked drain hose.
Other Kenmore washer or dryer codes
All Kenmore washer or dryer error codes →
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This information may contain errors or not apply to your exact model — always double-check it against your appliance's own manual before acting. If there's any chance of a gas, fire, electrical, carbon monoxide, or other safety hazard, stop and call a licensed professional or the appropriate agency (e.g. your gas utility) instead of relying on this page alone.