Kicking off with wash machine not draining, this issue is more common than you think. Your washing machine is supposed to make doing laundry a breeze, but when it comes to draining, it can cause more problems than it solves. In this article, we’ll dive into the common causes of a washing machine not draining properly.
From blocked drain pumps to incorrectly sized drainage pipes, we’ll cover everything you need to know to get your washing machine draining like a pro. Whether you’re a seasoned DIYer or a total beginner, our step-by-step guides and troubleshooting tips will have you back to doing laundry in no time.
Causes of a Washing Machine Not Draining

Washing machines are designed to make our lives easier by washing and drying clothes with the touch of a button. However, like any other household appliance, they can malfunction at times. One of the most common issues with washing machines is when they are unable to drain properly. This can be caused by a variety of factors, from blockages in the drain pump filter to incorrectly sized drainage pipes. In this section, we will explore the causes of a washing machine not draining properly and discuss potential solutions to this problem.
Potential Blockages in the Drain Pump Filter
A clogged drain pump filter can prevent your washing machine from draining properly. The drain pump filter is usually located at the back or bottom of the machine and is designed to catch any debris that may pass through the wash cycle. However, over time, the filter can become clogged with lint, coins, or other small items that can cause the filter to become blocked. This can lead to slow draining or even complete failure of the washing machine to drain. Regularly cleaning the drain pump filter can help prevent this issue and ensure that your washing machine is functioning properly.
- Check the drain pump filter regularly for any blockages.
- Remove any debris or lint that may be clogging the filter.
- Replace the filter if it is damaged or clogged beyond repair.
Incorrectly Sized Drainage Pipes
Incorrectly sized drainage pipes can also cause issues with washing machine drainage. If the pipes are too small, they can restrict the flow of water and cause the washing machine to drain slowly or not at all. Additionally, if the pipes are too large, they can cause the washing machine to drain too quickly, leading to flooding or other issues.
| Drainage Pipe Size | Maximum Water Flow Rate |
|---|---|
| 1/2 inch | 4-6 gallons per minute |
| 3/4 inch | 6-8 gallons per minute |
Common Signs of Drain Pump Malfunction
There are several common signs that indicate a drain pump malfunction. These include:
* The washing machine is unable to drain properly.
* The washing machine is making strange noises during the wash cycle.
* The washing machine is leaking water during the drain cycle.
* The washing machine is not spinning properly.
If you notice any of these signs, it may be necessary to replace the drain pump or have it repaired by a professional.
Troubleshooting a Stuck Washing Machine Drain Pump

If your washing machine is not draining, it’s possible that the drain pump filter is clogged, or the pump itself may be faulty. Before calling a professional or replacing the machine, you can try troubleshooting the issue yourself with these steps. It’s essential to identify the root cause of the problem and address it promptly to prevent further damage to your washing machine.
Inspecting the Drain Pump Filter
The drain pump filter is responsible for capturing lint and debris that could clog the drain hose or damage the pump. To inspect the filter, locate it according to your washing machine’s manual, as it may vary in position depending on the model. Remove any cover plates or clips securing the filter, and gently pull it out.
Here’s a step-by-step guide to inspect the filter:
- Remove any visible debris or lint from the filter to ensure a clear inspection.
- Examine the filter for signs of clogging, such as blockages or kinks in the mesh material.
- Check the filter for mineral buildup or detergent residue that could be restricting water flow.
- Soak the filter in warm water and mild detergent to loosen any stubborn debris or buildup.
A clogged drain pump filter can lead to poor drainage, increased energy consumption, and even damage to your washing machine’s pump. Regularly cleaning the filter can help prevent these issues and keep your machine running efficiently.
Unclogging a Clogged Drain Pump Filter
If the filter is clogged, you may need to clean or replace it to restore proper drainage. Here’s a step-by-step guide to unclog a clogged drain pump filter:
- Use a soft-bristled brush or a toothbrush to gently scrub away any visible blockages or debris from the filter mesh.
- Soak the filter in a solution of equal parts water and white vinegar for several hours or overnight to help dissolve any mineral buildup or detergent residue.
- Rinse the filter thoroughly with warm water to remove any remaining debris or cleaning solution.
- Dry the filter completely with a soft cloth to prevent moisture buildup and bacterial growth.
If the filter is severely damaged or clogged beyond repair, it may be necessary to replace it with a new one.
Troubleshooting the Drain Pump Itself, Wash machine not draining
If the filter is clean and free of blockages, it’s possible that the drain pump itself is faulty or clogged. In this case, you’ll need to troubleshoot the pump using the manufacturer’s instructions or consult a professional. Some common issues with the pump include:
- Bent or worn-out drain pump impeller: Check for any signs of damage, wear, or corrosion on the impeller.
- Drain pump motor failure: If the pump is not turning or making unusual noises, it may indicate motor failure.
- Pump clogging: Examine the pump’s intake and outlets for any blockages or debris buildup.
- Mechanical failure: If the pump is making unusual noises or not functioning properly, it may indicate mechanical failure.
When troubleshooting the drain pump, always refer to your washing machine’s manual or consult a professional for guidance.
Cleaning the Drain Pump Filter Regularly
Regularly cleaning the drain pump filter can help prevent clogs, reduce energy consumption, and extend the life of your washing machine’s pump. Here are some tips for cleaning the filter:
- Clean the filter after every 10-15 wash cycles to prevent debris buildup.
- Use a soft-bristled brush or a toothbrush to gently scrub away any visible blockages or debris from the filter mesh.
- Soak the filter in a solution of equal parts water and white vinegar for several hours or overnight to help dissolve any mineral buildup or detergent residue.
- Rinse the filter thoroughly with warm water to remove any remaining debris or cleaning solution.
By following these steps and tips, you can help keep your washing machine’s drain pump filter clean and functioning properly.
Washing Machine Drain Hose Problems

A clogged or faulty washing machine drain hose can cause a multitude of problems, including water overflowing, poor washing performance, or even a complete stop in the washing cycle. In this section, we will delve into the common issues associated with washing machine drain hoses, their symptoms, and the importance of regular inspections.
Description of a Typical Drain Hose Installation
A standard washing machine drain hose is typically connected to the back of the washing machine and extends to the drain outlet, usually a floor drain or a sink. The hose is designed to withstand the pressure and flow of water, and is usually made of durable materials like rubber or PVC. The installation process usually involves connecting the hose to the washing machine’s drain outlet, ensuring it is securely fastened with clips or hose clamps. The hose should also be properly routed to prevent kinking or tangling.
A clogged or faulty drain hose can exhibit several symptoms, including:
- Leaks: Water seeping from the drain hose or its connections can be a clear indication of a blockage or damaged hose.
- Kinks: Bent or twisted sections of the drain hose can cause water flow to be restricted, leading to poor washing performance or complete stoppage of the washing cycle.
- Slow drainage: If the washing machine takes longer than usual to drain or produces a slow trickle, it may be a sign of a clogged or restricted drain hose.
Regular inspections of the drain hose can help prevent clogs, leaks, and other issues. It’s recommended to inspect the drain hose every 6-12 months, or as needed. Check for signs of wear and tear, such as cracks, cuts, or damage to the hose or its connections. Also, ensure the hose is properly routed and securely fastened.
When replacing or installing a new drain hose, you’ll need the following supplies:
- New drain hose (properly sized for your washing machine and drain outlet)
- Hose clamps or clips
- Wrench or pliers for installing the hose clamps
- Teflon tape for thread sealing (if required)
- Water shut-off valve key (if applicable)
Some common causes of drain hose issues include:
- Bent or kinked hoses
- Blockages in the drain hose or its connections
- Damaged or worn-out hoses
- Improper installation or sizing of the drain hose
Regular inspections and proper maintenance of the drain hose can help prevent these issues and ensure your washing machine functions efficiently and effectively.
Closure: Wash Machine Not Draining
Conclusion: a clogged wash machine can bring your whole laundry routine to a grinding halt. Stay ahead of the game with our comprehensive solutions to common washing machine draining problems. Remember to regularly check and maintain your wash machine’s drain pump filter and hoses to avoid any issues in the future.
Question Bank
Is it normal for a washing machine to drain slowly?
No, a washing machine should drain wastewater in about 20-30 minutes. If it’s taking longer, it could be a sign of a blockage or issue with the drain pump.
What’s the difference between a traditional and high-efficiency washing machine drain system?
High-efficiency machines use a closed-loop system to recirculate wastewater back into the washer, while traditional machines rely on a open-loop system that drains directly into the drain hose.
Should I unplug my washing machine before attempting to repair it?
Yes, always unplug your washing machine before attempting any repairs to avoid electrical shock or injury.
How often should I clean the drain pump filter?
It’s recommended to clean the drain pump filter after every 30-40 wash cycles or as needed.