Code: LF🧺 Whirlpool Washer

Whirlpool Washer LF Error Code: Long Fill, Taking Too Long to Fill (Meaning, Causes, Fixes)

Reviewed 2026-10-25 · Based on 5 manufacturer & service sources

What the code means

Whirlpool's Product Help article for top-load washers says that if F8 E1 or LF (long fill) appears in the display, the washer is taking too long to fill. Its companion article explains that F8 E1 (shown as Lo FL on some models) means the washer is not detecting the correct amount of incoming water. These washers have sensors that detect the water supply and need water going to the valve through both the hot and cold hoses; if the control doesn't detect both, it treats it as a problem with the water pressure sensor, locks the lid, and runs an 8-minute pump-out. On models showing F8 E1 or Lo FL, pressing Power starts a drain routine of about 8 to 10 minutes during which the pump runs and the control won't accept input, so Whirlpool says to wait 10 minutes before trying anything. A very common hidden cause is siphoning: if more than 4.5 inches of drain hose sits in the standpipe, the hose is taped in, or the standpipe is under 39 inches tall, water drains out while the washer fills, so it never reaches the expected level. Whirlpool's technician sheets give the control logic: tech sheet W10405149A says LF flashes when the water level doesn't change for a period of time, or water is present but the control doesn't detect the level changing, and tech sheet W11448643 Rev B lists F8E1 as "No Fill, Long Fill" with low water pressure meaning fill times longer than six minutes. Both sheets also point to the pressure hose that runs from the tub to the control's water-level sensor, which can be pinched, kinked, plugged, or leaking air. Note that some cycles fill slowly on purpose: Whirlpool says the Bulky cycle can take 10 to 12 minutes to fill, and Deep Water Wash also lengthens fill time, without that being a fault.

Likely causes

Safe DIY checks

⚠ Before you start

Unplug the appliance (or switch off its breaker) and shut off the water supply valves before removing panels or disconnecting hoses. Keep towels handy for residual water.

  1. If the lid is locked and the washer is pumping out, let the drain routine finish (Whirlpool says about 8 to 10 minutes) before pressing anything else.
  2. Make sure both the hot and cold faucets behind the washer are fully open. Whirlpool says both hoses must be connected and supplying water.
  3. Check that the hoses aren't kinked behind the washer, and that the red hose goes to the hot inlet and the blue hose to the cold inlet.
  4. With the water off, remove the hoses (have a bucket ready) and run water through each one at a sink. Replace any hose that flows weakly.
  5. Look at the inlet screens on the back of the water valve. If they're clogged, clean them in place with an old toothbrush, mild soap and water, without pulling the screens out.
  6. If you have an anti-flood device on the supply line, try connecting the hoses directly, as Whirlpool recommends.
  7. Check the drain hose: no more than 4.5 in should go into the standpipe, it should be held by the U-shaped hose form, it must not be taped in (leave an air gap), and the standpipe should be at least 39 in tall.
  8. Run a Normal cycle and watch the fill. Remember that Bulky and Deep Water Wash cycles fill more slowly by design.
  9. If LF keeps coming back with good water flow and a correct drain setup, stop there. The next checks (pressure hose, valve and control tests) are done inside the cabinet.

🛠 When to call a pro

  • LF or F8 E1 returns even though both faucets are open, the hoses flow freely, the screens are clean and the drain hose isn't siphoning.
  • Water doesn't enter the washer at all, or only one temperature fills. A technician runs the valve test from the tech sheet and checks the valve coils and the control's valve outputs.
  • The pressure hose from the tub to the water-level sensor needs checking for kinks, blockage or an air leak, which means opening the washer.
  • The washer overfills or the code appears together with other water-level codes, which can point to the pressure sensor or main control.
  • The washer is still under warranty. Schedule Whirlpool service instead of opening the cabinet.

Parts that commonly fix it

Always match the part number to your exact model.

⚙

Washer inlet hoses

Replace hoses that are kinked or flow weakly because of mineral build-up.

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⚙

Water inlet valve

Only if a technician finds a valve that won't open with the water supply confirmed good. Match it to your model number.

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⚙

Water level pressure hose

The tub-to-sensor hose the tech sheets say to check if it's pinched, plugged or leaking air.

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⚙

Drain hose form

The U-shaped clip that keeps no more than 4.5 in of drain hose in the standpipe to prevent siphoning.

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Sources

  1. Whirlpool Product Help: LF - Error Code, top-load washer (long fill, siphoning, both hoses required, 8-minute pump-out)
  2. Whirlpool Product Help: F8 E1 or LF or LO FL Error Code in Display (water supply, hoses, inlet screens, anti-flood devices, drain hose, 8 to 10 minute drain routine)
  3. Whirlpool Product Help: Not Filling or Long Fill - Washer (Bulky cycle 10 to 12 minute fills, Deep Water Wash)
  4. Whirlpool Corp. washer technical sheet W10405149A (LF Long Fill: water level doesn't change or isn't detected; pressure hose check; Test #2 valves)
  5. Whirlpool top-load washer tech sheet W11448643 Rev B (F8E1 No Fill, Long Fill; fill times over six minutes)

Last reviewed 2026-10-25. Always confirm against the manual for your exact model number.