Troubleshooting Guide for Samsung Dishwashers Not Draining

If you own a Samsung dishwasher, you expect it to efficiently clean your dishes and leave them sparkling. However, encountering an issue where your Samsung dishwasher is not draining can be frustrating. A dishwasher that fails to drain properly can result in dirty, standing water and can hinder the appliance’s overall performance. In this blog post, we will provide you with a comprehensive troubleshooting guide to help you address the problem of a Samsung dishwasher not draining.

Understanding the Issue: Samsung Dishwasher Not Draining

When your Samsung dishwasher fails to drain, it can be due to various factors. Clogs, improper installation, or faulty components can all contribute to this problem. To effectively resolve the issue, it is essential to diagnose the root cause. By following the troubleshooting steps below, you can identify the problem and potentially fix it yourself.

Check for Clogs in the Drainage System

The first step in troubleshooting a Samsung dishwasher that won’t drain is to inspect the drainage system for clogs. Often, food particles, debris, or even small utensils can obstruct the dishwasher’s drain hose or filter. Carefully remove the lower dish rack and locate the drain filter and drain hose. Clean them thoroughly, ensuring that there are no blockages. By removing any clogs, you may restore the dishwasher’s ability to drain properly.

Verify Proper Installation

Improper installation can also lead to drainage issues in Samsung dishwashers. Ensure that the drain hose is installed correctly and connected securely to the sink’s drain or garbage disposal unit. If the drain hose is not positioned properly, it can result in a restriction of water flow and prevent efficient draining. Make sure the hose is free from kinks or bends that may impede the water from flowing out.

Inspect the Drain Pump and Impeller

The drain pump is responsible for removing water from the dishwasher during the draining cycle. A malfunctioning pump or a broken impeller can lead to drainage problems. To access the drain pump, disconnect the dishwasher from the power source and remove the bottom front panel. Locate the drain pump, usually situated near the front or side of the dishwasher. Carefully inspect the pump and impeller for any signs of damage or blockage. If you notice any issues, consider replacing the faulty parts.

Check the Air Gap (if applicable)

Some Samsung dishwashers feature an air gap, which prevents wastewater from flowing back into the dishwasher. If you have an air gap installed, it may become clogged over time. Remove the cap of the air gap and clean out any debris that may be blocking it. Reassemble the air gap and check if the dishwasher drains properly afterward.

Test the Drain Solenoid and Check Valve

The drain solenoid and check valve play crucial roles in the dishwasher’s drainage system. The solenoid controls the movement of the drain valve, while the check valve prevents water from flowing back into the dishwasher. A faulty solenoid or check valve can hinder proper drainage. Consult your dishwasher’s user manual for guidance on testing these components and replace them if necessary.


A Samsung dishwasher not draining can be a frustrating problem, but with the troubleshooting steps outlined above, you can address the issue and potentially resolve it on your own. Remember to always follow safety precautions when working with electrical appliances and consult a professional if you are unsure or uncomfortable with any of the troubleshooting steps.

By checking for clogs, verifying proper installation, inspecting the drain pump and impeller, examining the air gap, and testing the drain solenoid and check valve, you can narrow down the cause of the problem and take appropriate action. Remember, if the issue persists or you are uncertain about any repairs, it is advisable to contact.

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