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Whirlpool Washing Machine Error Code LF

Reviewed by the ApplianceErrors Editorial Team · Verified against manufacturer service documentation · Last verified: July 19, 2026
⚠ Medium Severity 🔧🔧 Moderate DIY Also shown as: Lo FL

Long fill — washer taking too long to fill

The most common cause of the LF error on a Whirlpool washing machine is supply valves not fully open / low water pressure (~35% of cases); start with: check the water supply.

💰 DIY cost: $30–$80 👨‍🔧 Pro cost: $140–$300 Save $110+ by doing it yourself
Whirlpool Washing Machine error code LF on the display panel
How the LF code appears on a Whirlpool washing machine display

What Does Error Code LF Mean on a Whirlpool Washing Machine?

Long fill — washer taking too long to fill.

Per Whirlpool, LF (also shown as F8E1 or Lo FL) means the washer is not detecting the correct amount of incoming water within the allowed time, so the fill is taking too long. A closed or low-pressure supply, kinked or clogged inlet hoses, or a weak inlet valve are the usual causes. Both hot and cold valves must be open for the washer to fill correctly.

Models affected: Whirlpool top-load and front-load washers with electronic fill control, including models such as WTW5000DW, WFW5620HW, WTW8127LC, WFW9620HC, WTW5057LW, and WFW6620HW; the code also appears as F8E1 or Lo FL on many recent Whirlpool washers.
What owners report: Owners commonly report LF appearing early in a cycle right after installation or after the water was shut off for plumbing work, often because a supply valve was left partly closed or a hose stayed kinked behind the machine. A frequent quick win is simply opening both hot and cold valves fully and straightening the hoses; clearing sediment-clogged inlet screens also resolves many cases without new parts.

What Causes Error Code LF?

Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:

  1. 1
    Supply valves not fully open / low water pressure 35% of cases
  2. 2
    Inlet hoses kinked or screens clogged with debris 30% of cases
  3. 3
    Water inlet valve weak or failing 25% of cases
  4. 4
    Flow meter / pressure sensor fault 10% of cases

How to Fix Whirlpool Washing Machine Error Code LF

🔧🔧 Moderate DIY Est. time: 30–60 min
⚡ Safety first: Unplug the appliance before opening any panels or touching internal components.
  1. 1

    Check the water supply

    Confirm both hot and cold supply valves are fully open and household pressure is adequate.

  2. 2

    Inspect the fill hoses and screens

    Make sure the inlet hoses are not kinked, and clean the inlet screens of mineral build-up or debris.

    ⚠️ Shut off the water before disconnecting hoses.
  3. 3

    Replace the water inlet valve

    If supply and hoses are good but fill stays slow, replace the inlet valve.

    🔩 Whirlpool washer inlet valve ($30–$80)
    ⚠️ Disconnect power and water before servicing.

How to Reset Error Code LF

Press Pause/Cancel twice and Power once to clear. Confirm both valves are open and hoses are clear, then restart.

Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.

Full Whirlpool washer reset guide → Enter diagnostic mode → Symptom guide: Washer not filling →

Did this guide fix your appliance?

When to Call a Professional

If the supply, hoses, and inlet valve all check out and LF persists, the flow meter or control board needs diagnosis.

Average professional repair cost for this issue: $140–$300

Related Error Codes

F8E1
Low water fill detected — water inlet problem
⚠ Medium Severity

Same Code on Other Brands

Error code LF appears on these other brands too. See every brand that shows LF →

GE Appliances logo
GE Appliances Dishwasher LE
Long fill — dishwasher not filling within the expected time
Maytag logo
Maytag Washing Machine LF
Long fill — washer taking too long to fill

Find Replacement Parts

Use these links to find the exact replacement parts for your Whirlpool Washing Machine:

🔩
Search PartSelect
Whirlpool Washing Machine repair parts
🔧
Search RepairClinic
Step-by-step video guides

External links — ApplianceErrors.com is not affiliated with these retailers.

More Whirlpool Washing Machine Error Codes

F9E1 Drain failure — cycle paused, water not draining F5E2 Door lock failure — latch cannot engage F1E1 Main control board failure SUD Excessive suds detected — too much detergent F0E2 Dispenser cannot dispense detergent or additive F7E1 Motor speed error — motor not reaching target RPM

Frequently Asked Questions

Can I keep using my Whirlpool Washing Machine when error LF appears? +
You often can for a cycle or two, but the water-inlet issue behind LF will keep interrupting normal operation until it is fixed. Plan the repair rather than ignoring the code.
What most commonly causes LF on a Whirlpool Washing Machine? +
Across reported Whirlpool washing machine repairs, the most frequent is supply valves not fully open / low water pressure (35% of cases), inlet hoses kinked or screens clogged with debris (30%), then water inlet valve weak or failing (25%). Check them in that order before replacing any parts.
LF keeps coming back after a reset — what should I check next? +
A reset only clears the stored LF fault; if it returns, the water-inlet problem is still present. Move on to the physical checks — check the water supply, then inspect the fill hoses and screens — since the code will reappear until the root cause is resolved. This is a moderate job — a multimeter and some disassembly are usually involved.
How much does it cost to fix Whirlpool Washing Machine error LF? +
A DIY repair typically runs $30–$80 in parts, versus $140–$300 for a professional service call, so handling it yourself saves around $110. Expect the work to take roughly 30–60 minutes.
Which Whirlpool Washing Machine models show error LF? +
LF is documented on Whirlpool top-load and front-load washers with electronic fill control, including models such as WTW5000DW, WFW5620HW, WTW8127LC, WFW9620HC, WTW5057LW, and WFW6620HW; the code also appears as F8E1 or Lo FL on many recent Whirlpool washers.. Other units sharing the same control platform can display it too, so the fixes here generally transfer across the series.

Sources & References

Content verified against manufacturer service documentation. Last verified: July 19, 2026.

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