Why Is My Dishwasher Not Draining The Water

Dishwashers have become an indispensable appliance in modern kitchens, making our lives more convenient and efficient. However, there are times when they don’t function as smoothly as we expect. One common issue that many homeowners face is a dishwasher not draining water properly. In this article, we will explore the reasons behind this frustrating problem and offer practical solutions to get your dishwasher back in working order.

Understanding the Basics

The Dishwasher’s Drainage System

Before we delve into the reasons for a dishwasher not draining, it’s essential to understand how the drainage system works. A dishwasher typically has two key components for draining water: a pump and a drain hose.

The Role of the Pump

The pump is responsible for pushing water out of the dishwasher and into the drain hose. It’s a crucial part of the process, as any issues with the pump can lead to drainage problems.

Common Causes of Dishwasher Drainage Issues

Clogged Drain Filter

One of the primary culprits behind a dishwasher’s drainage problem is a clogged drain filter. Over time, food particles, debris, and grease can accumulate in the filter, obstructing water flow.

Blocked Drain Hose

A blocked drain hose can also prevent proper drainage. This can happen if the hose gets kinked, twisted, or clogged with debris.

Faulty Drain Pump

If the drain pump malfunctions, it won’t effectively remove water from the dishwasher, leading to standing water at the bottom.

Improper Installation

Sometimes, improper installation can be the root cause. If the dishwasher’s drain hose isn’t correctly connected or positioned, it can impede water flow.

DIY Solutions

Cleaning the Drain Filter

To address a clogged drain filter, you can follow these simple steps:

  1. Turn off the dishwasher and unplug it.
  2. Locate the drain filter at the bottom of the dishwasher.
  3. Remove any visible debris and rinse the filter under running water.
  4. Reassemble and restart the dishwasher.

Checking the Drain Hose

Inspect the drain hose for any obstructions or kinks. If you find any, carefully remove them and ensure the hose is properly routed to facilitate smooth drainage.

Testing the Drain Pump

You can test the drain pump by running a diagnostic cycle on your dishwasher. Refer to your dishwasher’s manual for specific instructions on how to do this. If the pump is faulty, consider replacing it.

Reviewing Installation

If you suspect an installation issue, consult your dishwasher’s manual or consider seeking professional help to ensure everything is correctly set up.

When to Seek Professional Help

Persistent Issues

If you’ve tried the DIY solutions mentioned above, and your dishwasher still isn’t draining correctly, it’s time to call a professional appliance repair service.

Electrical Problems

If you suspect electrical issues are causing the problem, it’s crucial to have a certified technician inspect and repair your dishwasher.


In conclusion, a dishwasher not draining water can be a frustrating issue, but it’s often solvable. By understanding the key components of the drainage system and addressing common causes like clogged filters, blocked hoses, and faulty pumps, you can troubleshoot and fix the problem. However, if the issue persists or involves electrical problems, seeking professional help is the wisest course of action.


Q1: Is it normal for some water to remain at the bottom of the dishwasher after a cycle?

A1: Yes, it’s normal for a small amount of water to remain in the bottom of the dishwasher as it helps to prevent seals from drying out. However, if you notice excessive water, it’s a sign of a drainage problem.

Q2: How often should I clean the drain filter in my dishwasher?

A2: It’s a good practice to clean the drain filter once a month to prevent clogs and ensure proper drainage.

Q3: Can using too much detergent cause drainage issues in my dishwasher?

A3: Yes, excessive detergent can create excessive suds, leading to drainage problems. Always follow the manufacturer’s recommendations for detergent usage.

Q4: Should I attempt to disassemble and repair the dishwasher myself?

A4: It’s generally not recommended to disassemble and repair a dishwasher unless you have experience and knowledge in appliance repair. DIY attempts can lead to further damage.

Q5: What’s the average cost of repairing a dishwasher’s drainage issues?

A5: The cost of repairing dishwasher drainage issues can vary widely depending on the specific problem and the technician’s rates. It’s best to get a quote from a professional repair service.

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