F21Warning
Whirlpool Washer F21 Error Code
The washer took too long to drain water, likely due to a clog or pump issue.
Common causes
- Clogged drain hose or pump filter
- Kinked or blocked drain hose
- Faulty drain pump
How to fix it
- Unplug the washer and check the drain hose for kinks or blockages.
- Clean the drain pump filter (located at the bottom front of the machine).
- Ensure the drain hose is not clogged and is properly elevated.
⚠ When to call a pro: If cleaning the filter and hose does not resolve the error, call a technician to replace the drain pump.
Part links are affiliate links — as an Amazon Associate we may earn a small commission at no extra cost to you.
Always unplug the appliance (and turn off the water for washers/dishwashers) before inspecting. These guides are for information only and are not a substitute for a professional repair.