7 Reasons Why Your Samsung Dishwasher Is Not Filling With Water

7 Reasons Why Your Samsung Dishwasher Is Not Filling With Water
Table of Contents

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1. Water Supply Challenges

Water supply problems can hinder your Samsung dishwasher’s performance. Here’s how to troubleshoot:

  • Check the inlet hose for kinks or damage obstructing water flow.
  • Ensure adequate water pressure by verifying other appliances’ performance on the same supply.
  • Adjust dishwasher’s water filling settings to optimize performance.
  • Clean or replace a malfunctioning float switch that regulates water levels.
  • Unblock or replace a clogged filter to maintain proper water flow.

2. Defective Water Inlet Valve

A common issue with Samsung dishwashers failing to fill with water is a faulty water inlet valve. Here’s how to troubleshoot:

  • Inspect the inlet hose for kinks or blockages that may hinder water flow.
  • Ensure the hose is properly connected to both the main water supply and the dishwasher.
  • Check and fix any problems with the float switch, ensuring it moves freely.
  • Verify there’s an adequate water supply reaching the dishwasher from outside sources.
  • If water pressure is low or absent, contact a plumber to address household plumbing issues.
  • Adjust dishwasher settings according to the user manual for optimal filling levels.
  • If problems persist, it may indicate an issue with the electronic control board.
  • Consult a professional technician or Samsung customer support for further assistance.

By troubleshooting these steps, you can identify and potentially resolve issues with your Samsung dishwasher’s water supply.

3. Blocked or Dysfunctional Dishwasher Filter

If your Samsung dishwasher isn’t filling with water, a blocked or malfunctioning dishwasher filter might be the culprit. Here’s what to do:

  • Locate the dishwasher filter, usually found near the spray arm at the bottom of the tub.
  • Check the filter for visible blockages or damage.
  • Rinse the filter under running water to remove debris, or gently scrub with a soft brush for stubborn build-up.
  • If cleaning doesn’t solve the problem, consider replacing the filter.
  • Refer to the user manual or contact Samsung customer support for guidance on obtaining a compatible replacement.

4. Troublesome Float Switch

If your Samsung dishwasher is failing to fill with water, a likely culprit is a malfunctioning float switch. Here’s what you need to do:

  • Turn off the dishwasher’s power and disconnect it.
  • Locate the plastic float near the bottom of the dishwasher’s tub.
  • Check for damage or obstruction around the float assembly and clean any debris.
  • Test the float switch by gently pressing on it and listening for a clicking sound.
  • If the switch doesn’t click or seems faulty, consider replacing it with a compatible part from Samsung.

Promptly addressing float switch issues can restore your dishwasher’s water-filling capability. Consult Samsung’s FAQs or customer support for further assistance if needed.

5. Incorrect Dishwasher Configurations

Incorrect configurations can cause a Samsung dishwasher to not fill with water properly. Here’s what to do:

  • Check the water filling setting; if it’s too low, the dishwasher won’t fill adequately.
  • Consult the user manual for instructions on adjusting the water filling levels.
  • Inspect the inlet hose for kinks or damage that may hinder water flow.
  • Straighten out any bends or loops in the hose.
  • Detach and clean both ends of the hose for blockages caused by debris or mineral buildup.
  • Repair or replace the hose if irreparable damage is found.

Ensuring correct configurations and addressing issues with the inlet hose are essential steps to resolve water filling problems in your Samsung dishwasher effectively.

6. Twisted or Damaged Water Inlet Hose

A twisted or damaged water inlet hose could be causing your Samsung dishwasher to not fill with water. Here’s how to address this issue:

  • Turn off the dishwasher and disconnect it from the power source.
  • Locate both ends of the water inlet hose – one connected to the dishwasher and the other to the main water supply.
  • Inspect the hose for twisting, kinking, or any signs of damage like cracks or leaks.
  • Straighten out any twists and ensure there are no obstructions.
  • If damage is severe, consider replacing the inlet hose altogether.

7. Issues with the Electronic Control Board

When your Samsung dishwasher fails to fill with water, the Electronic Control Board could be the culprit. Here’s what to do:

  • Check for circuitry malfunctions by inspecting the control board for damage or burn marks.
  • If damage is found, consider replacing the control board entirely to restore proper function.
  • Test the relay switch responsible for activating the water inlet valve using a multimeter.
  • If the switch is faulty, replacing it should resolve the issue and allow water to flow into the dishwasher.

Strategies To Prevent a Samsung Dishwasher From Not Filling With Water

To prevent a Samsung dishwasher from experiencing issues with water filling, follow these strategies:

  • Regularly inspect and clean or replace the dishwasher filter to prevent clogs that could obstruct water flow.
  • Consult the user manual for guidance on accessing and maintaining the filter assembly, typically located at the bottom of the tub.
  • Check the water inlet hose for kinks or damages that may impede water flow into the dishwasher.
  • Repair or replace any damaged hoses to ensure proper water supply.
  • Periodically clean both ends of the inlet hose to remove debris that could block water flow.


A Samsung dishwasher not filling with water can be a frustrating issue to deal with. However, by thoroughly examining and troubleshooting the various factors discussed in this article, you can identify and address the underlying causes effectively.

Regularly cleaning or replacing filters, adjusting water filling settings according to load sizes, inspecting for kinked inlet hoses, and being mindful of any peculiarities in your dishwasher’s performance are all recommended approaches. Although encountering problems with your appliance can be disheartening at times, taking these necessary steps will ensure that your Samsung dishwasher functions optimally for many years to come – allowing you to enjoy clean dishes without any hitches or concerns about its water supply functionality.


What causes a Samsung dishwasher not to fill with water?

Common causes include water supply issues. Troubleshoot by checking household water supply, ensuring proper dishwasher configurations, and adjusting settings for water inflow.

How do I identify and address a defective water inlet valve in my Samsung dishwasher?

Signs of valve issues include inadequate water filling. Inspect and replace the water inlet valve if necessary, ensuring proper water flow into the dishwasher.

What steps should I take if my Samsung dishwasher filter is blocked or dysfunctional?

Signs of filter clogs include poor water flow. Clean or substitute the filter to maintain an unobstructed water supply for effective dishwasher performance.

Why might the float switch in my Samsung dishwasher malfunction, and how can I check and fix it?

The float switch regulates water levels. Check and fix it by examining its functionality and taking necessary steps to resolve any issues affecting water filling.

How can I address incorrect dishwasher configurations affecting water filling, and what should I do if the water inlet hose is twisted or damaged?

Ensure appropriate cycle selection and adjust settings for water inflow. If the inlet hose is problematic, inspect and repair or replace it to maintain proper water supply

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