Samsung Dishwasher Not Draining? 7 Ways To Repair & Unclog

Samsung Dishwasher Not Draining? 7 Ways To Repair & Unclog
Table of Contents

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1. Check for Clogs

Dealing with a clogged dishwasher can be frustrating, but you can tackle the issue effectively by following these steps:

  • Ensure the dishwasher is not running and disconnect it from power for safety.
  • Start by removing visible debris or food particles from the bottom of the dishwasher’s interior using a damp cloth or sponge.
  • Maintain the dishwasher filter by locating it at the bottom and removing it following your model’s instructions.
  • Rinse the filter thoroughly under running water to remove any accumulated debris or grease, and use a soft brush if needed.
  • Check other potential areas for clogs such as spray arms, drain pump housing, and drainage channels, clearing away any obstructions.

By inspecting these critical areas and clearing any blockages, you can effectively address poor drainage in your Samsung dishwasher and ensure clean, waterlogged-free dishes.

2. Clean the Dishwasher Filter

When troubleshooting drainage issues with your Samsung dishwasher, start by inspecting the dishwasher filter. Here’s how:

  • Locate the filter at the bottom of the dishwasher tub, beneath the lower spray arm.
  • Disconnect the dishwasher from power and water sources before proceeding.
  • Remove the filter carefully, following any instructions for unlocking or twisting a cover.
  • Clean the filter by rinsing it under running water and using a soft brush or toothbrush to remove debris.
  • Ensure thorough cleaning to prevent blockages and improve drainage.

Additionally, remember to check for secondary filters near the drain pump or elsewhere in the drainage system, if applicable. Incorporate cleaning these filters into your maintenance routine for optimal dishwasher performance.

3. Examine the Garbage Disposal (If Applicable)

When troubleshooting a Samsung dishwasher with drainage issues, examining the garbage disposal is key. Here’s how to do it:

  • Turn off power to both the dishwasher and garbage disposal for safety.
  • Inspect where the dishwasher drain hose connects to the garbage disposal for blockages.
  • Use appropriate tools like pliers to carefully remove any obstructions.
  • Ensure there are no kinks or bends in the dishwasher drain hose hindering water flow.

For optimal performance:

  • Regularly check all connections and clear them of debris.
  • Contact professional assistance if uncomfortable with plumbing work or for further troubleshooting.

4. Verify the Air Gap

When troubleshooting a Samsung dishwasher with drainage issues, investigate the air gap:

  • Locate the air gap, typically near the sink faucet, resembling a small cylinder with a vent cap.
  • Remove debris obstructing its function and inspect for damage or blockage.
  • Clean internal components with warm soapy water to remove clogs or mineral deposits.
  • Check the drain hose for kinks or obstructions; replace if necessary.

By addressing potential problems with the air gap, you can resolve drainage issues effectively.

5. Assess the Drain Pump

When dealing with a Samsung dishwasher that isn’t draining, the drain pump is a key component to inspect. Here’s how to troubleshoot:

  • Ensure the dishwasher is unplugged to avoid accidents.
  • Locate the drain pump, usually near the bottom of the dishwasher.
  • Remove any necessary panels or screws to access it fully.
  • Check for damage or obstructions like food debris or broken glass.
  • Use gloves and tools like pliers to remove any obstacles safely.
  • Rotate the impeller blades manually; they should spin freely.
  • If the impeller feels stiff or stuck, there may be a motor or impeller issue. Consider professional help for repair.

6. Check Drain Hose Sink Connector

When dealing with a Samsung dishwasher that won’t drain, focus on the drain hose sink connector:

  • Inspect for Clogs: Check the connector for blockages caused by debris like food particles or soap scum.
  • Remove Obstructions: Use tweezers or a pipe cleaner to carefully clear any clogs from both ends of the drain hose and the sink connector.
  • Check for Proper Installation: Ensure the connector is securely attached to both the dishwasher and the sink drain to prevent leaks and ensure proper drainage.
  • Tighten Connections: Use pliers or an adjustable wrench to tighten any loose connections if needed.
  • Inspect Hoses: Look for damage such as cracks or kinks that may impede water flow.

Regular maintenance of this component will help prevent future drainage issues. For complex problems or if unsure, contact assistance from certified Samsung appliance repair technicians.

7. Run a Maintenance Cycle

To maintain your Samsung dishwasher and prevent drainage issues, regular maintenance cycles are essential. Here’s how:

  • Empty the dishwasher and clear any food particles or debris from the bottom.
  • Place a dishwasher-safe cup filled with white vinegar on the top rack to break down grease and mineral deposits.
  • Optionally, add baking soda to the bottom of the tub to eliminate odors.
  • Select a high-temperature wash setting for thorough cleaning and sanitization.
  • Run the cycle without dishes or detergent to focus on cleaning and unclogging.
  • Monitor for unusual noises or malfunctions that may indicate underlying issues.

How To Prevent a Samsung Dishwasher From Not Draining

Preventing drainage issues in your Samsung dishwasher is essential for its efficiency and durability. Here are some steps to follow:

  • Regular Maintenance: Clean the dishwasher filter every two months to prevent debris buildup, which can hinder drainage.
  • Cleaning the Filter: Remove the filter and rinse it under running water, using a soft brush if needed to remove trapped particles.
  • Proper Installation of Drain Components: Ensure the drain hose and sink connector are correctly installed and free from obstructions.
  • Inspecting for Obstructions: Check the drain hose for kinks or bends and the sink connector for blockages caused by food residue.
  • Mindful Loading Practices: Avoid putting large food scraps or non-dishwasher-safe items down the garbage disposal to prevent blockages.
  • Pre-Loading Scraping: Scrape off excess food into a trash bin before loading dishes into the dishwasher.

Following these preventive measures will help maintain smooth water flow and minimize common drainage issues in your Samsung dishwasher, ensuring its optimal performance for years to come.


As we conclude our comprehensive guide on troubleshooting and repairing a Samsung dishwasher that is not draining properly, it is evident that there are several common issues that can cause drainage problems in these appliances. By carefully examining and addressing each potential problem, you can often resolve the issue without the need for professional assistance.

Remember to utilize appropriate tools when conducting repairs or maintenance tasks related to dishwashers, ensuring both safety and effectiveness. By taking proactive steps in maintaining your appliance and promptly addressing any arising issues, you can enjoy years of optimal performance from your trusty Samsung dishwasher – a reliable companion in keeping your kitchen clean and tidy!


Why is my Samsung dishwasher not draining properly?

Possible causes include clogs, a dirty dishwasher filter, issues with the garbage disposal, air gap problems, drain pump malfunctions, sink connector blockage, or the need for a maintenance cycle. Troubleshoot and apply remedies based on the identified cause.

How do I address clogs in my Samsung dishwasher?

Inspect for potential causes of clogs, such as food debris or foreign objects, and use appropriate remedies like cleaning the filter, checking the garbage disposal, or clearing the drain hose.

What should I do if my Samsung dishwasher drain pump is not working?

Examine the drain pump for potential issues and apply remedies like cleaning or replacing the pump to ensure proper drainage.

How can I prevent drainage problems in my Samsung dishwasher?

Implement preventive strategies, including regular maintenance cycles, cleaning the filter, and being cautious about loading dishes, to avoid future drainage issues.

What essential tools can help troubleshoot my Samsung dishwasher not draining?

Key tools for troubleshooting drainage problems include a screwdriver for inspecting components, a drain pump replacement if needed, and basic cleaning supplies for maintenance

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