Warning: Disconnect power before servicing.

Speed Queen Washer NF Error: No Fill - What It Means and How to Fix It

Quick Answer

Speed Queen NF error means the washer failed to fill with water in the expected time. In 70% of cases it is clogged inlet screens - the mesh filters where the water supply hoses connect to the back of the washer. Turn off the water supply, disconnect both hoses, pull out the screens with needle-nose pliers, and rinse them under a faucet.

Speed Queen NF error means the washer failed to fill with water in the expected time. In 70% of cases it is clogged inlet screens - the mesh filters where the water supply hoses connect to the back of the washer. Turn off the water supply, disconnect both hoses, pull out the screens with needle-nose pliers, and rinse them under a faucet. Also check that household water pressure is above 20 PSI and that the hot and cold supply valves are fully open.

Speed-queenWasherSeverity: moderate88% DIY Success
Time to Fix
15–60 min
Difficulty
beginner
Parts Cost
$4 – $52
Tools Needed
Needle-nose pliers, Multimeter
Wrong code?

Not seeing NF on your display?

Select what your appliance is actually doing and we'll take you to the right guide.

What Does the NF Code Mean?

Speed Queen's control board monitors the water level sensor (pressure switch) during fill. If the water level does not rise to the minimum threshold within roughly 10-15 minutes, the board throws NF and stops the cycle. The washer is not broken - it is telling you water is not arriving fast enough. The inlet valve, supply hoses, and inlet screens are the first things to check before assuming any electrical fault.

Most Likely Causes

Based on aggregated repair data, here is the probability breakdown for this error code:

Clogged water inlet screens (most common cause in hard water areas)40%
Water supply valves not fully open24%
Household water pressure below 20 PSI14%
Faulty water level pressure switch not detecting fill12%
Failed water inlet valve solenoid10%

Symptoms You May Notice

  • NF displayed on LCD, cycle stops during fill phase
  • Washer starts but no water enters the tub
  • Washer hums briefly then displays NF
  • Water trickles slowly but tub never reaches fill level

Can you reset a Speed-queen washer to clear the NF code?

After fixing the underlying cause, press Power to turn off the washer. Unplug from the wall for 60 seconds. Plug back in, press Power, and restart the cycle. The NF code clears automatically once the tub reaches fill level on the next run.

Tools Required for Diagnosis

Needle-nose pliersMultimeterWater pressure gaugeSoft-bristle brush

Diagnostic Checklist

Follow these steps in order. We start with the easiest external fixes before opening up the machine.

1

Check the water supply valves

Locate the two water supply valves behind your Speed Queen washer (one hot, one cold). Both should be turned fully counter-clockwise (open). If either is only partially open, the fill rate drops below what the control board expects and NF triggers. Open both valves all the way and restart the cycle.

2

Clean the inlet screens

3

Verify household water pressure

4

Test the water inlet valve solenoids

5

Check the water level pressure switch

ComponentComponent Under Test
Expected Range5001500 ohms
ConditionIf Open (OL) or infinite, replace component.

Replacement Parts

If your diagnostic testing proves the component has failed, you will need a replacement. We recommend OEM parts over aftermarket for water-handling components.

Part Name
Water Inlet Valve28454 · $28–$52
Inlet Screen Set (2-pack)Generic 3/4 inch washer screens · $4–$10
Water Level Pressure Switch27011 · $14–$30

Repair vs. Replace Calculator

Appliance Age (Years)7 Yrs
Labor Approach
Our Verdict
REPAIR
Estimated Cost: $28 (Parts) vs $850 (New Machine)

Frequently Asked Questions

How do I clear the NF error on my Speed Queen washer?
Fix the underlying cause first - clean the inlet screens, verify water supply valves are open, and confirm pressure is above 20 PSI. Once water can flow freely into the tub, press Power to turn off, unplug for 60 seconds, and restart. The NF error clears automatically when the tub reaches fill level on the next cycle.
Why does my Speed Queen washer show NF with good water pressure?
If your water pressure is confirmed above 20 PSI but NF persists, the water inlet valve solenoid is the next suspect. Test it with a multimeter - each solenoid should read 500 to 1,500 ohms. A reading of OL (open circuit) means the solenoid coil has burned out and the valve is not opening even with adequate pressure.
Can hard water cause NF errors on Speed Queen washers?
Yes. Hard water deposits mineral scale on the inlet screen mesh over 6-12 months. The screens are fine enough to catch sediment but corrode in high-mineral water. In areas with water hardness above 200 mg/L, inspect the inlet screens every 6 months. Replacing them takes 5 minutes and costs under $10.
Is the Speed Queen NF error the same as the Whirlpool F8E1?
They describe the same failure mode - the tub did not receive water within the expected time window. The root causes are identical: clogged screens, failed inlet valve, low pressure, or a bad pressure switch. The diagnostic steps and part solutions are essentially the same across brands.
How often should I clean Speed Queen washer inlet screens?
In areas with hard water (above 100 mg/L hardness), clean the inlet screens every 6 months. In soft water areas, annually is sufficient. A full clog takes 1-2 years to develop but a partial clog - enough to slow fill and trigger NF - can happen in under a year in hard water conditions.

Related Speed-queen Washer Error Codes

Same Fix on Other Brands

Models Known to Experience NF Errors

This repair applies to most Speed-queen washers with this error code. Common model numbers include:

TC5000WN, TC5003WN, TR5000WN, TR5003WN, TR7000WN, TR7003WN, AWNE82SP113TW01, AFNE9BSP113TW01

Last verified for technical accuracy on March 14, 2026