Whirlpool Dishwasher Not Filling with Water: Causes and Fixes

Quick Answer

Whirlpool Dishwasher not filling: check both supply valves are fully open (turn counterclockwise to open). Then disconnect the inlet hoses and check the small mesh screens inside each valve port for mineral deposits. Clean screens solve slow or no fill in most cases.

A Whirlpool dishwasher that is not filling with water typically presents with either a F6 E1, E1 F6, or H2O error code, or simply aborts the cycle without cleaning anything. The water inlet valve is the primary suspect; it can fail either because the solenoid has burned out (test 200-500 ohms) or because the internal mesh screen is clogged with sediment. Before replacing the valve, always verify the household water supply valve under the sink is fully open.

WhirlpoolDishwasherSeverity: moderate87% DIY Success

Time to Fix

10–50 min

Difficulty

beginner

Parts Cost

$8 – $38

Tools Needed

Multimeter, Adjustable wrench

What Does the NOT-FILLING Code Mean?

No water entering the tub at cycle start. Check the supply valve position first, then the inlet valve screen, then test solenoid resistance. Most fills fail due to the valve screen or a stuck float switch.

Most Likely Causes

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

Water supply valve under sink not fully open40%

Inlet valve mesh screen clogged with sediment24%

Inlet valve solenoid failed14%

Water supply pressure below 20 PSI12%

Float switch stuck in raised position10%

Symptoms You May Notice

Cycle starts with motor hum but no water sound
F6 E1, E1 F6, or H2O error code displayed
Cycle aborts within first 2-3 minutes
Tub is completely dry when door opened mid-cycle

Can you reset a Whirlpool dishwasher to clear the NOT-FILLING code?

Hold Cancel/Drain for 3 seconds after resolving the fill issue. Run a short rinse cycle to confirm water enters normally before committing to a full wash cycle.

Tools Required for Diagnosis

MultimeterAdjustable wrenchFlathead screwdriverSoft brush

Diagnostic Checklist

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

Open the cabinet under the sink

Open the cabinet under the sink. Locate the dishwasher water supply valve (angle stop) on the hot water supply line. Verify the handle is parallel to the pipe (fully open). Turn it fully counterclockwise if it is not already.

Open the dishwasher door

Shut off the water supply

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	OEM Number	Estimated Price
Water Inlet ValveW10327249 · $22–$38	W10327249	$22 – $38
Float SwitchW10195039 · $8–$18	W10195039	$8 – $18

Verify part fitment for your Whirlpool model

Repair vs. Replace Calculator

Appliance Age (Years)7 Yrs

Labor Approach

Our Verdict

REPAIR

Estimated Cost: $23 (Parts) vs $700 (New Machine)

Frequently Asked Questions

How do I know if my Whirlpool dishwasher is getting water at all?

Start a cycle and stand near the unit for the first 30 seconds. A functioning fill will produce a clear rushing or trickling sound as water enters through the valve. If you hear only the motor hum with no water sound, the valve is not opening.

Can low water pressure cause a Whirlpool dishwasher to not fill?

Yes. Whirlpool requires a minimum of 20 PSI at the inlet valve. If your home pressure is below that -- common in older homes or during peak usage hours -- the dishwasher will not fill fast enough and will abort with F6 E1 or H2O. Test pressure at the kitchen tap with a gauge.

Related Whirlpool Dishwasher Error Codes

Code: F6 E1Whirlpool Dishwasher F6 E1 Error Code: Water Inlet Fault Code: H2OWhirlpool Dishwasher H2O Error Code: No Water Fill Detected Code: E1 F6Whirlpool Dishwasher E1 F6 Error Code: Water Inlet Fault

Same Fix Works on These Brands

Whirlpool shares the same hardware platform with these brands. The diagnosis and repair steps are identical.

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Models Known to Experience NOT-FILLING Errors

This repair applies to most Whirlpool dishwashers with this error code. Common model numbers include:

WDT780SAEM, WDF550SAHZ, WDT730PAHZ, WDT750SAHZ, WDT970SAHZ, WDF518SAHM, WDT720PADE

Last verified for technical accuracy on March 14, 2026