Why is My Dishwasher not getting Water

A dishwasher is a valuable appliance that streamlines our daily chores. However, encountering a situation where your dishwasher is not getting water can be frustrating. There are several possible reasons for this issue, ranging from simple to more complex problems. In this article, we will explore the common causes behind a dishwasher not getting water and provide practical troubleshooting tips to help you resolve the problem.

Common Causes for a Dishwasher Not Getting Water:

  1. Water Supply Issues:
    • Faulty Water Supply Valve: A malfunctioning water supply valve can prevent water from entering the dishwasher. Check if the valve is fully open and not clogged or damaged.
    • Kinked or Clogged Water Inlet Hose: Inspect the water inlet hose for any kinks or blockages that could restrict water flow. Clean or replace the hose if necessary.
    • Low Water Pressure: Insufficient water pressure may prevent the dishwasher from filling properly. Ensure that other appliances connected to the same water line are functioning normally to rule out a general water pressure issue.
  2. Defective Dishwasher Components:
    • Faulty Float Switch: The float switch is responsible for regulating the water level in the dishwasher. If it is stuck or malfunctioning, it may prevent water from entering the machine. Clean or replace the float switch as needed.
    • Malfunctioning Water Inlet Valve: The water inlet valve controls the flow of water into the dishwasher. If it is defective, the dishwasher won’t fill with water. Consider testing or replacing the water inlet valve if necessary.
    • Blocked or Dirty Filters: Clogged filters can obstruct water flow and prevent it from reaching the dishwasher. Clean or replace the filters regularly to ensure smooth water intake.

Troubleshooting Steps to Resolve the Issue:

  1. Basic Checks:
    • Ensure the dishwasher is properly connected to the power supply and turned on.
    • Check if there are any error codes displayed on the dishwasher control panel, and consult the user manual for guidance.
    • Verify that the dishwasher door is securely closed and latched, as many models won’t start if the door is not properly engaged.
  2. Water Supply Inspection:
    • Turn off the dishwasher and shut off the water supply valve.
    • Examine the water inlet hose for kinks, clogs, or damages. Straighten any kinks and clean or replace the hose if necessary.
    • Open the water supply valve and check if water is reaching the dishwasher. If not, the issue may lie with the valve or water pressure, requiring professional assistance.
  3. Float Switch and Water Inlet Valve:
    • Access the float switch and ensure it moves freely. Clean or replace it if it appears stuck or damaged.
    • Inspect the water inlet valve for any signs of malfunction or blockage. Consider testing or replacing the valve if needed.
  4. Filter Maintenance:
    • Locate the dishwasher filters (usually near the bottom of the dishwasher) and remove them.
    • Rinse the filters under warm water to remove debris and buildup.
    • Reinstall the filters and ensure they are securely in place.
3 Best GE Dishwashers 1 Why is My Dishwasher not getting Water

Why is my dishwasher making a humming noise but not filling with water?

This issue could indicate a faulty water inlet valve or a problem with the float switch. Refer to the troubleshooting steps mentioned above to identify and resolve the underlying cause.

Can a clogged dishwasher drain hose cause a lack of water?

No, a clogged drain hose typically does not affect the water supply. However, it can lead to drainage issues, causing water to accumulate in the dishwasher.

Is it normal for a dishwasher to take a long time to fill with water?

Dishwashers usually have a set time for filling with water, and it should not take an excessively long time. If you notice a significant delay, it could be due to a problem with the water supply, water inlet valve, or low water pressure. Refer to the troubleshooting steps mentioned earlier to identify and resolve the issue.

What should I do if the water supply valve is open, but the dishwasher still doesn’t get water?

If the water supply valve is open and other appliances receive water properly, there may be a blockage or malfunction within the dishwasher itself. Check the float switch, water inlet valve, and filters for any issues. If you are unable to identify or resolve the problem, it is advisable to seek professional assistance.

Can hard water affect the dishwasher’s water intake?

Yes, hard water can leave mineral deposits that can clog the water inlet valve or the dishwasher’s internal components. Regularly cleaning the dishwasher and using a water softener or descaler can help prevent such issues.


A dishwasher not getting water can be a frustrating problem, but with proper troubleshooting, most issues can be resolved. By examining the water supply, checking dishwasher components, and maintaining filters, you can often identify and fix the underlying cause.

However, if the problem persists or if you are uncertain about performing repairs yourself, it is recommended to contact a professional technician to ensure a proper diagnosis and resolution of the issue.

Remember, regular maintenance and proper care can help prevent future water supply problems in your dishwasher, allowing it to continue providing efficient cleaning for your dishes.