Warning: Disconnect power before servicing.

GE Dishwasher Hums But No Water: Fill Valve Diagnosis

Quick Answer

A GE dishwasher that hums but does not fill with water has a functioning control board that is sending power to the inlet valve solenoid, but water is not flowing. The hum indicates the solenoid is energized. Most common causes are a closed supply valve, low water pressure, a seized or clogged inlet valve that is electrically energized but physically stuck, or inlet screen blockage.

That low hum is actually a good sign. It means your control board's doing its job and sending 120 volts to the water inlet valve. But the valve's physically stuck or your water supply got cut off somewhere. I usually see this after a kitchen reno where the shutoff valve stayed closed, or on older GE units where the internal rubber diaphragm has just petrified over time. Don't ignore it. The fill timer will eventually throw an error code and your dishes stay dirty.

GeDishwasherSeverity: moderate87% DIY Success
Time to Fix
15–50 min
Difficulty
beginner
Parts Cost
$25 – $42
Tools Needed
Adjustable wrench, Phillips #2 screwdriver

What Does the HUMS-NO-WATER Code Mean?

When your GE dishwasher hums without filling, you're hearing the solenoid coil vibrate. And honestly that's good news because the electronics are working fine, which means you can skip the expensive control board and focus entirely on the water path. Nine times out of ten, the fix is either a five-second turn of a shutoff valve or a straightforward inlet valve swap. I replaced three of these last month alone on GE units just like yours.

Most Likely Causes

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

Water supply valve closed or only partially open40%
Inlet valve physically seized - solenoid energized but valve body stuck closed24%
Water pressure too low for valve to open fully22%
Inlet screen packed with sediment blocking flow despite valve opening14%

Symptoms You May Notice

  • You hear a steady low hum right when the cycle starts, but there's no rushing water sound following it like you'd normally get.
  • Tub is completely dry after the machine's been running for a couple minutes, nothing pooled at the bottom at all.
  • The GE display throws an H2O or similar fill error code after the fill timeout expires.
  • Machine goes through all the motions and the pump kicks on, but it's just cycling through a dry tub with no water to actually wash anything.
  • Cycle ends way faster than normal because there's nothing to heat and spray.

Can you reset a Ge dishwasher to clear the HUMS-NO-WATER code?

Press and hold the Start/Reset button for 3 seconds to cancel whatever cycle it's stuck on. You'll hear the drain pump kick on for about a minute. Let it finish completely, don't interrupt it. Then wait another 2 minutes before starting a new cycle so the board fully resets. If an H2O error code is still showing after that, cut power at the breaker for 5 minutes to clear it from memory, then start fresh.

Tools Required for Diagnosis

Adjustable wrenchPhillips #2 screwdriverDigital multimeter (set to ohms)Toothbrush for screen cleaningSmall flashlight or phone torchBucket at least 1 gallonSeveral old towels for water catchment

Diagnostic Checklist

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

ComponentComponent Under Test
Expected Range9001200 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 Valve (Dual Solenoid)WR01F00511 · $25–$42

Frequently Asked Questions

What does the hum mean when a GE dishwasher won't fill?
That hum is the solenoid coil creating a magnetic field to pull the valve open. In the field, I actually use that sound to confirm the control board and wiring are working fine. If you hear the hum, your dishwasher is trying its hardest to work but the physical gate that lets water in is either jammed shut or there's no water pressure behind it to push through. Good news is it narrows the diagnosis way down.
Can I test my GE inlet valve without replacing it?
You can check the solenoid coil for electrical continuity with a multimeter, looking for somewhere around 900 to 1200 ohms. But here's the thing, GE valves often fail mechanically even when the coil tests fine. The rubber plunger inside gets stuck or the plastic seat scales up with calcium. If it hums with good water pressure but stays dry, honestly just replace the valve. It's more reliable than trying to rebuild it and at $30 for the part it's not worth the gamble.
How much does a GE dishwasher inlet valve cost to replace?
The part itself runs $25 to $45 depending on where you buy it. GE part number WR01F00511 fits a ton of the common models. If you're doing it yourself, that's pretty much your whole cost plus maybe an hour of your time. If you call a tech, expect $150 to $200 all in for a service call plus labor. Honestly this is one of the easier dishwasher repairs out there, beginner-level stuff if you're comfortable with a wrench and not scared to pull the machine out a little.
How do I tell if it's the valve or just my water supply?
Disconnect the supply hose from the back of the dishwasher, aim it into a bucket, and turn the water on. Strong stream means your supply's fine and the valve is your problem. Weak or nothing means start with your home's water supply and work backward. Also make sure that shutoff valve under the sink is fully open, all the way counterclockwise until it stops. Takes 30 seconds to check and it's honestly the most common thing I find. Embarrassing fix but it happens constantly.
Is it safe to keep running a GE dishwasher that hums but won't fill?
Don't keep running it like that. The wash motor isn't designed to run without water moving through the system, and if the board keeps sending power to the inlet valve solenoid without water flowing to cool it, you can burn out the coil faster. Plus the board will eventually lock into a fill fault mode and you might need to clear that separately. Takes 10 minutes to check the shutoff valve and screens. You'll know right away if it's a free fix or if you need a $30 part.
Can I clean a seized GE inlet valve instead of replacing it?
Clean the inlet screens, absolutely, and that fixes it if sediment's the problem. But if the rubber diaphragm has hardened or the plastic seat is scaled up inside the valve body, cleaning won't do much. I've tried soaking valves in vinegar. Sometimes it works for a week or two, usually it doesn't, and then you're replacing it anyway. At $30 for a new valve versus an hour of soaking and scrubbing with no guarantee, I usually just swap it. Clean the screens first always. But if that doesn't fix it, just order the part.

Related Ge Dishwasher Error Codes

Same Fix Works on These Brands

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

Models Known to Experience HUMS-NO-WATER Errors

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

GDT630PSMSS, GDT645SSNSS, GDT665SSNSS, GDF570SSJSS, GDT535PSMSS, GDT580SSJSS, PDT750SSJSS, CDT845P2NS1

MS

Written by

Mike Sullivan

Lead Appliance Repair Technician · 20 years experience

Last verified for technical accuracy on March 14, 2026