Dishlex Dishwasher Not Draining: Causes, Solutions, and Prevention

Dishwashers are a convenient and efficient way to clean dishes and utensils. However, one common issue that homeowners may experience is a dishwasher that is not draining properly. If you are faced with this problem, it can be frustrating and time-consuming to manually remove standing water from your dishwasher. In this article, we will discuss the causes of a Dishlex dishwasher not draining, the solutions to fix it, and ways to prevent it from happening again.

Understanding Dishlex Dishwashers

Dishlex is a popular brand of dishwasher that has been around for many years. These dishwashers are known for their quality, reliability, and ease of use. Dishlex dishwashers come in various models, and they all work by using hot water and detergent to clean and sanitize dishes.

Causes of Dishlex Dishwasher Not Draining

There are several reasons why your Dishlex dishwasher may not be draining. Here are the most common causes:

Blocked Filter

The filter is a critical part of the dishwasher that helps to trap food particles and debris. If the filter is clogged, it can prevent the dishwasher from draining properly.

Clogged Drain Hose

The drain hose is responsible for carrying the water from the dishwasher to the sink or drain. If the drain hose is clogged or kinked, it can prevent the water from flowing properly.

Faulty Drain Pump

The drain pump is responsible for pumping the water out of the dishwasher. If the drain pump is faulty, it may not be able to pump the water out, causing the dishwasher to not drain.

Damaged Impeller

The impeller is a component of the drain pump that helps to move the water out of the dishwasher. If the impeller is damaged or broken, it can prevent the water from draining properly.

Broken Check Valve

The check valve is a one-way valve that prevents water from flowing back into the dishwasher. If the check valve is broken, it can allow water to flow back into the dishwasher, preventing it from draining.

How to Fix a Dishlex Dishwasher Not Draining?

Here are some steps to take to fix a Dishlex dishwasher not draining:

Clean the Filter

Cleaning the filter is the first step to take when your Dishlex dishwasher is not draining. To clean the filter, remove it from the dishwasher and wash it under running water. Once the filter is clean, reattach it to the dishwasher.

Clear the Drain Hose

To clear the drain hose, disconnect it from the dishwasher and the sink or drain. Use a long, flexible brush or a plumbing snake to remove any blockages. Once the hose is clear, reattach it to the dishwasher and sink.

Replace the Drain Pump

If the drain pump is faulty, it may need to be replaced. To replace the drain pump, disconnect the dishwasher from the power supply and locate the drain pump. Remove the pump and replace it with a new one.

Fix the Impeller

If the impeller is damaged, it may need to be fixed or replaced. To do this, remove the dishwasher’s lower spray arm and access the impeller. Check if it is damaged and, if so, replace it.

Replace the Check Valve

To replace the check valve, locate it and remove it from the dishwasher. Replace it with a new one and reconnect the dishwasher to the power supply.

Prevention Tips to Avoid Dishlex Dishwasher Not Draining

Here are some prevention tips to avoid a Dishlex dishwasher not draining:

Scrape Food Off Dishes

Before loading your dishes into the dishwasher, make sure to scrape any leftover food particles into the trash. This can prevent food from clogging the filter or drain hose.

Rinse Dishes Before Loading

Rinsing your dishes before loading them into the dishwasher can help prevent food particles from clogging the dishwasher’s filter or drain hose.

Run Hot Water Before Starting

Before starting your dishwasher, run hot water in your sink for a few minutes. This can help ensure that the water entering the dishwasher is hot, which can help prevent clogs.

Regularly Clean the Dishwasher

Regularly cleaning your Dishlex dishwasher can help prevent clogs and other issues. To clean your dishwasher, run it on an empty cycle with vinegar or a dishwasher cleaner.

Why is my Dishlex dishwasher not draining?

There could be several reasons why your Dishlex dishwasher isn’t draining properly.

First, make sure the drain hose is not clogged or kinked. If it is, straighten it out and remove any debris that may have built up in the hose. If this doesn’t solve the problem, you should check the filter for any blockages. The filter can become clogged with food particles or other debris, so clean it out to see if that helps.

Finally, if neither of these solutions work, you may need to replace the drain pump. This is a more complex repair job and should be done by a qualified technician. It’s important to make sure that all parts are replaced correctly so that your dishwasher works as intended and drains properly.

How can I fix a clogged filter in my Dishlex dishwasher?

The first step to fixing a clogged filter in your Dishlex dishwasher is to locate the filter. This is usually located at the bottom of the dishwasher and can be accessed by removing the lower rack. Once you have found the filter, you should remove it from the dishwasher and check for any debris or food particles that may be blocking it. If there are any blockages, you should use a small brush or vacuum to remove them.

Once all of the blockages have been removed, you should rinse out the filter with warm water before reinserting it into your Dishlex dishwasher. Make sure that all parts of the filter are securely fastened before running another cycle. This will help ensure that your filter does not become clogged again in the future.

Finally, if these steps do not solve your problem, it may be necessary to call a professional appliance repair technician who can inspect and diagnose your Dishlex dishwasher more thoroughly.

Can I replace the drain pump in my Dishlex dishwasher myself?

Yes, you can replace the drain pump in your Dishlex dishwasher yourself. First, you will need to unplug the dishwasher and shut off the water supply.

Then, you will need to remove the access panel on the bottom of the dishwasher to gain access to the drain pump.

Once you have located the pump, disconnect it from any hoses or wiring and remove it from the unit. Finally, install your new drain pump by connecting it to any hoses or wiring and replacing the access panel.

With some basic DIY skills and a few tools, this is a relatively simple process that should take no more than an hour or two.

What can I do to prevent my Dishlex dishwasher from not draining?

To prevent your Dishlex dishwasher from not draining, there are a few steps you can take. First, make sure the waste hose is not blocked or kinked. A blockage in the hose will prevent the water from draining properly. Check to see if there are any bends or kinks in the hose and straighten them out if necessary.

Next, ensure that the filter is clean and free of debris. The filter should be checked regularly and cleaned with a brush or vacuum cleaner as needed. If too much debris builds up in the filter, it can cause a blockage which prevents water from draining properly.

Finally, check to see if any foreign objects have fallen into the drain pump area of your dishwasher. Objects such as cutlery, straws, and other small items may become lodged in this area and cause a blockage which prevents water from draining properly.

Is it necessary to rinse dishes before loading them into the dishwasher?

It is not absolutely necessary to rinse dishes before loading them into the dishwasher. Modern dishwashers are designed to be effective at cleaning dishes, even if they have food residue on them.

However, it is still a good idea to give your dishes a quick rinse before putting them in the dishwasher. This will help prevent food from becoming baked on and stuck to the plates or pans during the washing cycle.

Additionally, rinsing off any large chunks of food will help keep your dishwasher from getting clogged. Rinsing your dishes before loading them into the dishwasher can also make it easier for the detergent and water to reach all surfaces of the dishes, resulting in a more thorough clean.


In conclusion, a Dishlex dishwasher not draining can be a frustrating problem. However, by understanding the common causes of the issue, knowing how to fix it, and taking preventative measures, you can keep your dishwasher working properly.

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