Dewalt Cordless Pressure Washer Not Working: [Easy Steps]

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Updated in April 2025 | By John

As a Pressure Washer Repair Technician, I have seen my fair share of Dewalt cordless pressure washers that are not working. This can be a frustrating and inconvenient experience for homeowners, as they rely on their pressure washers to clean their homes, cars, and other outdoor surfaces.

In this troubleshooting guide, I will address the common issue of Dewalt cordless pressure washers not working. I will discuss the different causes of this problem, as well as the steps you can take to diagnose and resolve the issue. By following these steps, you can quickly restore functionality to your Dewalt cordless pressure washer and get back to enjoying your outdoor chores.

Why Dewalt Cordless Pressure Washer Not Working

No Power

The power cord is not plugged in or is not plugged in all the way.
The power switch is turned off.
The pressure washer is out of battery power.
The battery is not properly inserted in the pressure washer.
The battery is not charged.

Water Won’t Spray

The water supply hose is not connected to the pressure washer or is not connected tightly.
The water supply valve is turned off.
The pressure washer is not primed.
The pressure washer pump is clogged.
The pressure washer nozzle is clogged.

Pressure Washer Won’t Start

The pressure washer is not turned on.
The pressure washer is not primed.
The pressure washer pump is clogged.
The pressure washer nozzle is clogged.
The pressure washer is overheating.

Pressure Washer Makes a Loud Noise

The pressure washer pump is overloaded.
The pressure washer pump is damaged.
The pressure washer is not properly lubricated.
The pressure washer is overheating.

Pressure Washer Leaks

The pressure washer seals are damaged.
The pressure washer hose is damaged.
The pressure washer pump is damaged.

Pressure Washer Won’t Stop

The pressure washer trigger is stuck.
The pressure washer pressure switch is stuck.
The pressure washer pump is damaged.

How to Troubleshoot And Fix:

Symptoms of a

There are a few different symptoms that can indicate that your dewalt cordless pressure washer is not working properly. These include:

The pressure washer won’t turn on
The pressure washer makes a strange noise
The pressure washer leaks water
The pressure washer doesn’t produce enough pressure

Troubleshooting a dewalt cordless pressure washer

If your dewalt cordless pressure washer is not working properly, you can try troubleshooting the problem yourself. Here are a few things you can check:

Check the power cord:
Make sure that the power cord is plugged into an outlet and that the outlet is working properly.

Check the battery:
Make sure that the battery is charged and that it is properly inserted into the pressure washer.

Check the hose:
Make sure that the hose is not kinked or damaged.

Check the nozzle:
Make sure that the nozzle is properly attached to the pressure washer and that it is not clogged.

If you have checked all of these things and your pressure washer is still not working, you may need to take it to a qualified repair technician.

Fixing a dewalt cordless pressure washer

If you have determined that your dewalt cordless pressure washer needs to be repaired, you can take it to a qualified repair technician. The technician will be able to diagnose the problem and fix it.

You can also try to fix the pressure washer yourself. Here are a few things you can check:

Check the power cord:
If the power cord is damaged, you can replace it with a new one.

Check the battery:
If the battery is not charging properly, you can replace it with a new one.

Check the hose:
If the hose is kinked or damaged, you can replace it with a new one.

Check the nozzle:
If the nozzle is clogged, you can clean it with a de-clogging solution.

If you have checked all of these things and the pressure washer is still not working, you may need to take it to a qualified repair technician.

FAQs: Dewalt Cordless Pressure Washer Not Working

Why is my Dewalt cordless pressure washer not working?

There are a few possible reasons why your Dewalt cordless pressure washer may not be working. Here are some of the most common causes and solutions:

The battery is not charged: Make sure that the battery is fully charged before using the pressure washer. If the battery is not charged, it will not be able to provide enough power to the pressure washer.

The battery is not inserted correctly: Make sure that the battery is inserted all the way into the pressure washer. If the battery is not inserted correctly, it will not be able to provide power to the pressure washer.

The pressure washer is not turned on: Make sure that the pressure washer is turned on. If the pressure washer is not turned on, it will not work.

The pressure washer is not connected to a water source: Make sure that the pressure washer is connected to a water source. If the pressure washer is not connected to a water source, it will not be able to generate pressure.

The pressure washer is clogged: The pressure washer may be clogged with dirt or debris. If the pressure washer is clogged, it will not be able to generate pressure.

How do I troubleshoot my Dewalt cordless pressure washer?

If your Dewalt cordless pressure washer is not working, you can troubleshoot the problem by following these steps:

1. Check the battery: Make sure that the battery is fully charged and inserted correctly.
2. Turn on the pressure washer: Make sure that the pressure washer is turned on.
3. Connect the pressure washer to a water source: Make sure that the pressure washer is connected to a water source.
4. Check for clogs: Remove any dirt or debris that may be clogging the pressure washer.

If you have tried these steps and the pressure washer is still not working, you may need to contact Dewalt customer service for assistance.

How do I maintain my Dewalt cordless pressure washer?

To keep your Dewalt cordless pressure washer in good working order, you should follow these maintenance tips:

Clean the pressure washer after each use: Remove any dirt or debris from the pressure washer.

Store the pressure washer in a cool, dry place: Do not store the pressure washer in direct sunlight or in a humid environment.

Inspect the pressure washer regularly for damage: Look for any signs of wear or damage to the pressure washer.

Replace the battery regularly: The battery in your Dewalt cordless pressure washer will eventually wear out and need to be replaced.

What are the benefits of using a Dewalt cordless pressure washer?

There are a number of benefits to using a Dewalt cordless pressure washer, including:

Portability: Dewalt cordless pressure washers are lightweight and portable, making them easy to transport from one location to another.

Convenience: Dewalt cordless pressure washers do not require a power cord, making them easy to use anywhere.

Power: Dewalt cordless pressure washers are powerful enough to clean a variety of surfaces, including concrete, siding, and cars.

Durability: Dewalt cordless pressure washers are built to last, with a durable construction that can withstand the elements.

What are the disadvantages of using a Dewalt cordless pressure washer?

There are a few disadvantages to using a Dewalt cordless pressure washer, including:

Battery life: The battery in a Dewalt cordless pressure washer does not last as long as a gas-powered pressure washer.

Cost: Dewalt cordless pressure washers are more expensive than gas-powered pressure washers.

Noise: Dewalt cordless pressure washers are louder than gas-powered pressure washers.

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About The Author

I am John, and I am the creator of this website. I have been in the woodworking industry for about 5 years. I developed my passion for DIY projects around the house when I was in high school. I have discovered a new appreciation for those who have the experience to pass along their expertise. They know what works best and are able to help others. I am proud to be among them.

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