Dishwasher Not Spraying Water – How To Repair








A dishwasher not spraying water can be caused by multiple factors. It may be a blockage in the spray jets, overloaded with dishes, a blocked pump, float switch malfunction, water valve issue, or a water pressure problem. The below troubleshooting methods for a dishwasher not spraying water work with all dishwashers including Bosch, Frigidaire, GE, Kenmore, Kitchenaid, LG, Maytag, Samsung, and Whirlpool.

Dishwasher Not Spraying Water

Check This First!: Verify the dishwasher is getting water from the water supply valve on the wall, and the water supply valve on the dishwasher itself.

MORE INFO – Dishwasher Is Not Filling Up With Water – How To Fix

What Causes a Dishwasher To Not Spray Water?
1.
Spray arm is clogged.
2. Dishwasher is overloaded.
3. Blocked Dishwasher pump.
4. Overfill float switch malfunction.
5. Water supply issue.
6. Water pressure problem.



How To Fix a Dishwasher Not Spraying Water

This page will show how to troubleshoot your dishwaser yourself. We will explain all the components that will cause a dishwashwer to not spray water. This will help you to repair the issue yourself.

Spray Arm Nozzle Blocked/Clogged

The spray arms can accumulate hard water in the jets. This causes water to not spray out with force therefore not cleaning your dishes. Be sure to clean the spray arms to remove the hard water that has built up. Use an object such as a toothpick or other tool to open up the water jets on the dishwasher spray arms. Be sure the spray arms on top and below are spinning properly. Spin them by hand to be sure they spin freely. If you find a spray arm to be unrepairable, it will need to be removed and replaced. Below is how to remove and replace a dishwasher spray arm.


Dishwasher Not Spraying? How To – Spray Arm Replacement

Dishwasher Is Overloaded

Too many dishes jammed into the dishwasher can cause it to not spray and clean your dishes. If a dish or cup in the dishwasher is up too high, it can prevent the spray arm from spinning freely. Also, too many dishes can make it difficult for the dishwasher to efficiently clean all dishes. Rearrange or remove some dishes to remedy the issue.

Blocked/Clogged Dishwasher Pump

Check to be sure the pump filter is not clogged. The filter is located at the bottom of the dishwasher. Remove the filter and clean it under warm water. Anything that has broken (dishes/cups) or food particles can accumulate and clog the pump filter. If particles have gotten down into the dishwasher pump, it will need to be cleaned out.

Overfill Float Switch Malfunction

When the water fills the dishwasher, it turns off when it gets to a certain level. This is done by the overfill float switch. This device consists of a float and a microswitch. If the float is damaged or faulty, it may turn the water off and the dishwasher will not fill with water. Check this switch and adjust or replace if needed.

Dishwasher Water Supply Problem

Inspect the water valve on the wall (usually connected under the sink and to the hot water valve) to be sure it is OPEN. The water valve can be located by following the water line that comes out of the dishwasher. Check the water supply valve on the dishwasher. Be sure it is not clogged or leaking. The water supply valve is usually located on the left lower side under the front access panel.




Dishwasher Not Cleaning? Water Valve Testing Troubleshooting

Water Pressure Issue

Your household water supply could be too low. Check to see if the water supply can fill a one quart jug within 9-10 seconds. If so the water pressure is good. Household water pressure needs to be from 20 to 120 PSI for appliances to work properly. We have seen some issues where the water valve outside of a home is not fully open. Check the water valve outside of your home to be sure it is fully open and functioning properly.

Extra Step: Check the chopper area in the bottom of dishwasher for broken glass or other debris. If the food chopper cannot function, this can prevent it from spraying water through the spray arms.

Repair Parts For Dishwashers

Repair Parts For DishwashersRepair Parts For Dishwashers

These repair methods work with all dishwashers including Bosch, Frigidaire, GE, Kenmore, Kitchenaid, LG, Maytag, Samsung, and Whirlpool.

Further Help: If all troubleshooting methods have been exhausted and the dishwasher still does not spray water. You may have a major pump issue. Dishwasher pumps cannot have a clog or blockage. If you know for sure the pump is clean and free of blockages, you will need to troubleshoot further and test the pump to see if it is faulty. Here is how to clean/test/diagnose a dishwasher pump…


Dishwasher Pump Diagnosis/Replacement Tutorial



What is the best way to troubleshoot a dishwasher not spraying water? What parts or components need to be checked to get the dishwasher to spray water? Need assistance? Please leave your question below including your dishwasher model number and we will assist.

ALLEN VETTER - DIY Repair Assistant
Allen is a Home Maintenance/Appliance tech and the author/creator of this website. He has 30 years of experience troubleshooting and repairing all types of machinery. Contact here



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