Error Code: F21 Difficulty: Moderate
Problem: The washer is taking too long to drain. The drain pump is likely clogged with debris or the motor has failed. Check the filter and drain hose first.
How to Fix F21 Error
-
- UNPLUG washer from electrical power. Place towels under front access panel.
- Open drain pump filter cover at lower front right. Drain residual water into container.
- Remove filter and clear all debris (coins, socks, lint). Inspect pump impeller through opening.
- Rotate impeller manually with finger—it must spin freely 360° with no grinding or resistance.
- If impeller is damaged or pump housing is cracked: disconnect pump wiring harness, loosen hose clamps with pliers, remove 2 mounting screws, extract old pump.
- Install new drain pump using OEM part W
- Align mounting tabs, secure screws, reconnect hoses with clamps tightened firmly, reconnect wiring harness.
- Reinstall filter and close cover until click is heard.
- Restore power. Run spin/drain cycle to verify complete water removal within 90 seconds with no unusual noises.
As an Amazon Associate, we earn from qualifying purchases through links on this page.
Recommended Replacement Part
Still Not Working?
If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.
⚡ Don’t Risk a DIY Fail!
Get the ‘Secret Service Mode’ Cheat Sheet for your Whirlpool model. Includes an easy-to-read list of every error code and quick diagnostic tips.
✅ Join 15,000+ DIYers • Instant PDF Download
When It’s Better to Replace Than Repair
Sometimes replacing an appliance makes more financial sense than putting more money into repairs.
Here are a few signs it may be time to shop for a new one:
For repair parts, verify exact fit with the full washer model number before buying; these links are general replacement-appliance shopping options.
- ✓Appliance over 8-10 years old
- ✓Repair cost over 50% of replacement
- ✓Multiple recent breakdowns
- ✓Major component failure
Recommended Replacement Options
Why Upgrade via Amazon?
- Fast, Scheduled Delivery – You pick the date and time
- Expert Installation – Professional setup available for most models
- Old Appliance Haul-away – They’ll take your broken unit when they leave
- Easy Returns – Buy with confidence from a leader in customer service
As an Amazon Associate, we earn from qualifying purchases.
Browse More Codes
📖 View All Error Codes
More options (for a better recommendation)
Expert: Mike Sullivan
EPA Section 608 Certified Technician with 18+ years experience.
Read Editorial Standards →Browse all Whirlpool error codes: Whirlpool Error Codes
Leave a Reply