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Appliance Fix Guide

Whirlpool Washer error code

Whirlpool Washer Error F20

Verify both hot and cold water supply valves are fully open.

Verify both hot and cold water supply valves are fully open.

EasyStart with 5-15 minutes of safe checks
✅ WORTH FIXINGParts under $100
Whirlpool washer repair guide for error F20
Error codeF20Washer

Try these first

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

  1. 1
    Verify both hot and cold water supply valves

    Verify both hot and cold water supply valves are fully open.

  2. 2
    Disconnect fill hoses from washer inlet valves and

    Disconnect fill hoses from washer inlet valves and place in bucket.

  3. 3
    Turn on water supply briefly to verify adequate

    Turn on water supply briefly to verify adequate flow (should fill bucket rapidly).

A quick explanation

What does F20 mean?

Verify both hot and cold water supply valves are fully open.

The answer you came for

How to fix Whirlpool washer error F20

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

  1. 1

    Verify both hot and cold water supply valves

    Verify both hot and cold water supply valves are fully open.

  2. 2

    Disconnect fill hoses from washer inlet valves and

    Disconnect fill hoses from washer inlet valves and place in bucket.

  3. 3

    Turn on water supply briefly to verify adequate

    Turn on water supply briefly to verify adequate flow (should fill bucket rapidly).

  4. 4

    Clean inlet valve screens by removing hoses and

    Clean inlet valve screens by removing hoses and brushing debris from brass fittings.

  5. 5

    Check for kinks in fill hoses or excessive

    Check for kinks in fill hoses or excessive length (>6 feet restricts flow).

  6. 6

    Access inlet valve assembly behind rear panel -

    Access inlet valve assembly behind rear panel - test solenoid coils with multimeter (should read 500-1500 ohms).

  7. 7

    If solenoids test open/infinite resistance, replace water inlet

    If solenoids test open/infinite resistance, replace water inlet valve assembly W

  8. 8

    Verify pressure switch hose is connected and not

    Verify pressure switch hose is connected and not leaking air (causes False 'full' detection).

  9. 9

    Test operation with both hot and cold cycles

    Test operation with both hot and cold cycles to confirm proper fill.

  10. 10

    If water flows but error persists, replace pressure

    If water flows but error persists, replace pressure switch W

  11. 11

    Whirlpool part search

    Whirlpool part search: W10345320 Estimated part range: $40 Fit note: Confirm this part against the full Whirlpool washer model number before buying. Search Amazon for W10345320

Read the additional checks from the current guide

How to Fix Washer Error Verify both hot and cold water supply valves are fully open.Disconnect fill hoses from washer inlet valves and place in bucket.Turn on water supply briefly to verify adequate flow (should fill bucket rapidly).Clean inlet valve screens by removing hoses and brushing debris from brass fittings.Check for kinks in fill hoses or excessive length (>6 feet restricts flow).Access inlet valve assembly behind rear panel - test solenoid coils with multimeter (should read 500-1500 ohms).If solenoids test open/infinite resistance, replace water inlet valve assembly WVerify pressure switch hose is connected and not leaking air (causes False 'full' detection).Test operation with both hot and cold cycles to confirm proper fill.If water flows but error persists, replace pressure switch W As an Amazon Associate, we earn from qualifying purchases through links on this page. Recommended Parts to Check This page already had a Whirlpool part recommendation. Verify the complete appliance model number before ordering, because part fit can vary by model revision. Whirlpool part search: W10345320 Estimated part range: $40 Fit note: Confirm this part against the full Whirlpool washer model number before buying. Search Amazon for W10345320

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

No replacement part recommended for this code

The researched guidance for Whirlpool Washer error F20 points to user-action and diagnostic steps above rather than a mapped replacement part. We will not invent a part or send you to an unrelated product.

Replacement options

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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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