Warning: Disconnect power before servicing.

Speed Queen Washer NF Error: No Fill Causes and Fixes

Quick Answer

A Speed Queen NF error indicates the washer failed to fill with water within the allotted time. The primary solution is cleaning the mesh inlet screens located where the supply hoses connect to the back of the unit. Simply turn off the water, disconnect the hoses, and rinse any debris from the filters.

If you're ignoring this code and just hitting start again, don't. The inlet valve solenoids can burn out trying to open against a blocked screen, which turns a $5 fix into a $40 part. Most of the time when I show up for an NF, it's just the screens. Clogged with sediment. Five minutes with a soft brush and you're done.

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

What Does the NF Code Mean?

Speed Queen's control board watches the water level sensor during fill. If the water level doesn't rise to the minimum threshold in roughly 10-15 minutes, the board throws NF and kills the cycle. The washer isn't broken. It's basically saying water's not arriving fast enough. The inlet valve, supply hoses, and those little mesh screens on the back are the first things to check before you start assuming something's fried inside.

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 on the display, cycle stops dead right at the start of the fill phase
  • You can hear the machine trying but not a drop of water is going into the tub
  • Hums for 30-60 seconds, then silence, then the code appears
  • Water's actually trickling in but it's way too slow to hit fill level before the timeout runs out
  • Resets fine but NF keeps coming back every single load no matter what

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

Once you've fixed whatever caused the NF, hit Power to turn the washer off. Unplug it from the wall and wait a full 60 seconds. Don't cheat and do 15. Give the control board a full minute to clear. Plug back in, hit Power, and start a fresh cycle. The NF code clears itself once the tub actually reaches fill level. No special button sequence needed.

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.

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

Frequently Asked Questions

How do I clear the NF error on my Speed Queen washer?
You can't just clear it and hope it goes away. The code'll come right back if the problem's still there. Fix the cause first: clean the inlet screens, make sure both supply valves are fully open, confirm pressure is above 20 PSI. Once water's actually flowing freely, press Power to turn off, unplug for a full 60 seconds, then restart. The NF clears itself when the tub hits fill level on the next run. That's it.
Why does my Speed Queen washer show NF with good water pressure?
Good pressure but still getting NF? Next thing to check is the inlet valve solenoid. Even with perfect water pressure, if that solenoid coil is burned out, the valve's not opening. Disconnect the wiring harness from the valve and test each solenoid with a multimeter. You want 500 to 1,500 ohms. OL on your meter means it's dead. Also worth checking the air dome hose on the pressure switch. A cracked hose fools the board into thinking the tub never filled, even when it actually did.
Can hard water cause NF errors on Speed Queen washers?
Oh yeah, all the time. Hard water leaves mineral scale on those inlet screens and it builds up faster than most people think. Above 200 mg/L hardness, clean those screens every 6 months. Less than that, once a year is fine. Takes 5 minutes, costs nothing, and it's probably the most common cause of NF I run into. The screens are under $5 to replace outright if they're corroded through. Just do it.
Is the Speed Queen NF error the same as the Whirlpool F8E1?
Same failure, different name. Both mean the tub didn't get water in time. Root causes are identical: clogged screens, dead inlet valve, low pressure, or a bad pressure switch. Diagnostic steps are basically the same across brands. Whirlpool, Maytag, Speed Queen, doesn't matter. If water's not getting into the tub fast enough, you're going to see some version of a no-fill code.
How often should I clean Speed Queen washer inlet screens?
Hard water areas, every 6 months. Soft water, once a year is plenty. A full clog takes 1-2 years to develop, but you don't need a full clog to trigger NF. A partially restricted screen slows the fill rate enough to hit the timeout, especially if anything else is slightly off, like pressure that's just barely above the minimum. I replaced screens on three machines last Tuesday and two of those customers had no idea the screens even existed. Most overlooked maintenance item on a washer.

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

MS

Written by

Mike Sullivan

Lead Appliance Repair Technician · 20 years experience

Last verified for technical accuracy on March 14, 2026