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Error code · Washer

Whirlpool Front-Load Washer Code F20: No Water or Too Little at Fill

F20 on Whirlpool front-load washers, the Duet and WFW series such as the WFW5620HW and WFW9150WW, is an older-generation code for a water inlet problem. The washer is getting no water or not enough, so the…

Medium · inspection needed
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Code
F20
Appliance
Washer
Brand
Whirlpool
Warranty
30-day workmanship

What F20 means

F20 on Whirlpool front-load washers, the Duet and WFW series such as the WFW5620HW and WFW9150WW, is an older-generation code for a water inlet problem. The washer is getting no water or not enough, so the fill stops and F20 shows. The usual suspects are closed faucets, clogged inlet screens and kinked hoses. These older Duets are still in many homes. We repair them, and we say plainly when a repair is not worth it.

Common causes of F20

  • Hot or cold water faucets not fully open
  • Clogged screens at the hose connections
  • Kinked or crushed inlet hoses
  • The inlet valves or control, which we test after the supply checks
✓ One safe check you can try

1. Check that both the hot and cold faucets are turned fully on. 2. Look at the inlet hoses behind the washer for kinks and straighten them. 3. With the water off, check the inlet screens for debris. 4. Reset by unplugging for 5 minutes, then plug in and restart.

! Why to stop there
  • If water reaches the hoses and F20 returns, the inlet valves or the fill sensing need a test.
  • We check flow and pressure at the washer.
  • You get the price first in writing.
Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.
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LdLWhirlpool Top-Load Washer Code LdL: Lid Fails to Lock Sense and Wash FlashingWhirlpool Top-Load Washer Sense and Wash Lights Flashing: Unbalanced Spin LdUWhirlpool Top-Load Washer Code LdU: Lid Is Unable to Unlock Spin Light FlashingWhirlpool Top-Load Washer Spin Light Blinking: The Basket Is Off Balance LFWhirlpool Top-Load Washer Code LF: Tub Is Too Slow to Fill SudWhirlpool Washer Sud or Sd: Too Many Suds in the Tub LidWhirlpool Top-Load Washer Display Lid: Lid Opened During the Cycle uLWhirlpool Top-Load Washer Code uL: Unbalanced Load Needs Rearranging
F20F20 questions
What does F20 mean on a Duet?

The washer is not getting enough water to fill, so it stops and shows F20. Closed faucets, clogged screens and kinked hoses are the first things we check on a visit.

Do I need both faucets on?

Yes. The washer expects both a hot and a cold supply, and a half-closed valve or a faucet turned only partway can look like no water at all to the control.

Is an old Duet worth repairing?

Often. Inlet repairs are modest compared with a new washer. We quote in writing and say plainly if the machine's age means you are better off not repairing.

Book a visit

Still seeing F20?

A technician diagnoses it on site and gives you the price in writing before any work starts.

(713) 589-6107