Kitchen Aid dishwasher model KDC-18 is not filling with water

Drain Pump

If the dishwasher is loud during operation, the drain pump might be defective or might have some debris in it. This is a common problem.


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Circulation Pump

If the dishwasher is loud during operation, and the noise is a continuous drone similar in speed to the circulation pump sound, it's likely that the circulation pump motor bearings have failed. Once this happens the circulation pump will have to be replaced, the bearings are not repairable.


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Drain Impeller

If the dishwasher is loud during operation, the drain impeller might be broken, or there might be debris in the pump. Generally, to gain access to the pump the top of the pump housing will have to be removed.


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Pump and Motor Assembly

If the dishwasher is loud the motor bearings, drain impeller or wash impeller might have worn out. All three of these components are part of the pump and motor assembly. It may be possible to replace one of the impellers, but the motor bearings cannot be repaired. In that case the pump and motor assembly will need to be replaced.


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Wash Impeller

The wash impeller is a small, plastic blade. The motor spins the impeller forcing water through the spray arms to clean the dishes. If one or more blades has broken off of the impeller the dishwasher is loud. The impeller can also scrape against the pump housing if it is damaged, warped or bent.


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Circulation and Drain Pump Motor

If the dishwasher is loud during operation, and the noise is a continuous drone similar in speed to the motor sound, it's likely that the circulation and drain pump motor bearings have failed. Once this happens the motor will have to be replaced, the bearings are not repairable.


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Water Inlet Valve

The water inlet valve is an electrically controlled water valve. When it is new, the water inlet valve is very quiet. Over time, the diaphragm inside the valve deteriorates and deforms. This deformation interacts with the water rushing in and can cause a loud vibration, buzzing, squealing or other noises. If the dishwasher is loud during the filling cycle, replacing the water inlet valve may solve the problem.

God bless you

Dishwasher must be connected to a hot water line in order to work properly. Also, it often requires a good deal of time for hot water to make its way from the water heater to the dishwasher. If the dishwasher is located under the kitchen counter, turn on the hot water in the sink until it runs hot, then start the dishwasher.

Many dishwashers have a built in heater, but hot water should be initially fed into the dishwasher through the water inlet in order for it to perform properly.

Someone may've accidentally put liquid dishsoap rather than dishwasher soap into the fill cup. The bubbling will cause lots of foam to rise up above the float-switch without actually raising the switch (shutting off the water supply). Lots of helpers on the web recommended draining, wiping out the foam, pouring in a cup of vinegar and a handful of salt and running the rinse cycle a couple of times. It worked for me!

Hi,
Here is a tip that will help you to find out why water will not come into thedishwasher...

Dishwasher Trouble No Water entering Dishwasher

heatman101

Is there enough water getting into machine. I it fills until the float shuts off water valve the the pump or motor may be bad.

Most likely there is debris at the pump impeller. This model has a problem with debris and grease accumulation at the pump inlet. I have no idea how it gets past the screen but it does. Remove the transfer tube on the back wall, the lower sprayer, and screen assembly. Clean out the debris and reverse installation.

Make sure you get water to the dishwasher. Check to see if the water shut-off valve (located under the sink) is open. If you get water to the dishwasher, but there is still no water inside during the fill cycle, the problem might be with a faulty water valve (located at the bottom of the dishwasher, behind the kick panel, on either side), in which case replace the water valve.

It depends on your water pressure. Mine runs a cycle in about 25 minutes, with 92 psi water pressure. Before changing all the pipes in my house, I had about 30 psi and it took about 45 minutes. The longer it takes to fill, the longer it takes to do a wash.

The most common problem when a dishwasher is not filling with water is a failed water inlet valve. It is a solenoid valve that sits directly behind where the hot water hose connects to the dishwasher.
Please post back if you need more assistance. Good Luck!

i would check for apossible drain issue, perhaps siphoning water out after 2nd fill. make sure you have prper high loop insatlled in drain hose, could also be a bad water fill valve, solenoid overheating and not opening properly after 3 fills