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Appliance Fix Guide

Whirlpool Washer error code

Whirlpool Washer Error F21

UNPLUG washer from electrical power.

UNPLUG washer from electrical power.

UnknownStart with 5-15 minutes of safe checks
✅ WORTH FIXINGParts under $100
Whirlpool washer repair guide for error F21
Error codeF21Washer

Try these first

Start here before buying a part or taking the appliance apart.

  1. 1
    UNPLUG washer from electrical power

    UNPLUG washer from electrical power. Place towels under front access panel.

  2. 2
    Open drain pump filter cover at lower front

    Open drain pump filter cover at lower front right. Drain residual water into container.

  3. 3
    Remove filter and clear all debris (coins, socks,

    Remove filter and clear all debris (coins, socks, lint). Inspect pump impeller through opening.

A quick explanation

What does F21 mean?

UNPLUG washer from electrical power.

The answer you came for

How to fix Whirlpool washer error F21

Start with the safest checks and work from simple to technical.

  1. 1

    UNPLUG washer from electrical power

    UNPLUG washer from electrical power. Place towels under front access panel.

  2. 2

    Open drain pump filter cover at lower front

    Open drain pump filter cover at lower front right. Drain residual water into container.

  3. 3

    Remove filter and clear all debris (coins, socks,

    Remove filter and clear all debris (coins, socks, lint). Inspect pump impeller through opening.

  4. 4

    Rotate impeller manually with finger—it must spin freely

    Rotate impeller manually with finger—it must spin freely 360° with no grinding or resistance.

  5. 5

    If impeller is damaged or pump housing is

    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.

  6. 6

    Install new drain pump using OEM part W

    Install new drain pump using OEM part W

  7. 7

    Align mounting tabs, secure screws, reconnect hoses with

    Align mounting tabs, secure screws, reconnect hoses with clamps tightened firmly, reconnect wiring harness.

  8. 8

    Reinstall filter and close cover until click is

    Reinstall filter and close cover until click is heard.

  9. 9

    Restore power

    Restore power. Run spin/drain cycle to verify complete water removal within 90 seconds with no unusual noises.

Read the additional checks from the current guide

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 WAlign 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.

If the code comes back

Do not keep replacing parts based only on the code. Repeat the safe checks above. If the fault remains, stop and arrange qualified service rather than ordering from the code alone.

Recommended part

Recommended part for this error code

Part listed in the current guide

OEM candidate: W10536347

Price noted in the current guide: $45

Why this part is shown: It is associated with Whirlpool Washer error F21 in the current guide. The error code alone does not prove this part has failed.

Compatibility varies by model. Confirm that the Amazon listing includes your complete washer model number before ordering.

Amazon part link View recommended part on Amazon

You can open the recommendation now. Check model compatibility on the Amazon page before purchasing.

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Replacement options

Ready to replace your washer?

If repairing this washer no longer feels worthwhile, compare three replacement paths below.

Why shop your replacement on Amazon?

  • Fast, free delivery

    Prime members can get fast, free delivery on eligible items.

  • Convenient delivery options

    Select large appliances may offer scheduled or Room of Choice delivery.

  • Haul-away options

    Haul-away may be available for select appliances and delivery areas.

  • Installation help

    Installation or assembly may be available on select items.

Delivery and service options, fees, and availability vary by item, seller, and delivery ZIP code. Confirm available services at Amazon checkout.

Affiliate disclosure: qualifying purchases may earn this site a commission at no additional cost to you.

Make the money decision

Repair or replace calculator

Use the age and total repair estimate to get a simple comparison. This is guidance, not a guarantee.

Safety first

Disconnect power before opening panels or touching internal parts.

When to stop
  • Stop if you see burned wiring, melted connectors, water near electrical parts, or a gas smell.
  • Do not perform live-voltage testing unless you are trained and equipped for it.
  • Use the exact model manual or service information before replacing electronic controls.

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