Whirlpool Washing Machine Error Code F20
No water detected entering the machine
F20 (older Duet front-load displays show FH) means no or insufficient water reached the tub within the expected time, or the pressure switch did not detect a fill. The most common causes are closed supply valves, clogged inlet screens, or a failed inlet valve.
What Does Error Code F20 Mean on a Whirlpool Washing Machine?
No water detected entering the machine.
F20 (older Duet front-load displays show FH) means no or insufficient water reached the tub within the expected time, or the pressure switch did not detect a fill. The most common causes are closed supply valves, clogged inlet screens, or a failed inlet valve.
What Causes Error Code F20?
Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:
- 1 Hot or cold supply valve closed / partly open 35% of cases
- 2 Inlet hose screens clogged with sediment 30% of cases
- 3 Faulty water inlet valve 20% of cases
- 4 Low household water pressure or kinked hose 15% of cases
How to Fix Whirlpool Washing Machine Error Code F20
- 1
Confirm both faucets are on
Both hot and cold supply valves behind the washer must be fully open — the washer blends both even on cold cycles.
- 2
Clean the inlet screens
Shut off water, disconnect the fill hoses, and clean the mesh screens inside the inlet ports.
⚠️ Shut off the supply valves before disconnecting hoses. - 3
Check hoses and pressure
Verify hoses are not kinked and household pressure is at least 20 PSI.
- 4
Test the inlet valve
Test the valve solenoids for continuity (about 200–500 ohms) and replace if open.
🔩 Whirlpool water inlet valve ($30–$70)
How to Reset Error Code F20
Press PAUSE/CANCEL twice, then restart. To clear, press Pause or Cancel twice and the Power button once.
Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.
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When to Call a Professional
If supply and inlet valve are confirmed good and F20/FH persists, the pressure switch or main control board needs testing.
Related Error Codes
Same Code on Other Brands
Error code F20 appears on these other brands too. See every brand that shows F20 →
Find Replacement Parts
Use these links to find the exact replacement parts for your Whirlpool Washing Machine:
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More Whirlpool Washing Machine Error Codes
Frequently Asked Questions
What does error code F20 mean on a Whirlpool Washing Machine? +
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How do I clear or reset error code F20? +
Is error code F20 serious? +
Sources & References
- • Whirlpool Product Help — official manufacturer documentation
- • Our editorial & verification policy
Content verified against manufacturer service documentation. Last verified: June 10, 2026.