Dewalt Nail Gun Not Firing: Troubleshoot and Fix It

A dewalt nail gun not firing may indicate several issues with the tool. Checking for jammed nails or a faulty trigger are just a few potential causes.

In this article, we’ll discuss some of the reasons your nail gun might not be firing, as well as some steps you can take to troubleshoot and fix the problem. Whether you’re a professional or a DIY enthusiast, a nail gun is an invaluable tool for quickly and easily attaching materials together.

However, when it won’t fire, it can be frustrating and lead to lost time and money. In this guide, we’ll walk you through some of the common reasons your nail gun might be malfunctioning and how to get it up and running again in no time.

dewalt nail gun not firing

Common Causes Of Dewalt Nail Gun Not Firing

When it comes to completing woodwork projects, a reliable nail gun can save you a lot of time and effort. However, sometimes you may encounter issues with your dewalt nail gun not firing, which can be frustrating and disrupt your workflow.

The good news is that most of these issues have straightforward fixes. In this guide, we will take a look at the most common causes of dewalt nail guns not firing and how to fix them.

Fuel Cell Issues

Fuel cells are small compressed gas cartridges that power cordless nail guns. If your nail gun is not firing, there might be an issue with its fuel cell. Ensure that the fuel cell has enough gas and that it is inserted correctly.

You can also try cleaning any debris or dirt buildup in the fuel cell chamber.

Battery Issues

If your nail gun runs on batteries, make sure that they are charged. A low battery voltage can prevent the nail gun from firing. Check the battery’s voltage with a voltmeter to confirm that it is not the problem.

Jammed Nails

A common cause of nail guns not firing is a jammed nail. This issue usually occurs if more than one nail gets stuck in the magazine, making it difficult for the nail gun to drive them through the wood. To fix this issue, clear the jam by opening the magazine and carefully removing the jammed nails.

Dirt Or Debris Buildup

Dirt and debris buildup in the nail gun’s firing chamber can prevent the gun from firing. To fix this issue, clean the firing chamber using a compressed air can or a cleaning brush. You can also use lubricant oil to ensure smooth operation of the firing mechanism.

Faulty Trigger

If the nail gun’s trigger is damaged or faulty, it might not fire. Inspect the trigger mechanism and ensure that it is properly aligned and functioning correctly. If it is damaged, replace it with a new one.

Air Leakage Problems

Leaking air from the nail gun’s air hose can also cause the gun not to fire. Check that all connections between the gun and the air hose are tight and secure. Also, inspect the air hose for any cracks or holes that may be causing the air to leak.

Worn-Out Driver Blade

The driver blade is the part of the nail gun that drives the nails into the wood. If the driver’s blade is worn out or damaged, it will prevent the nail gun from firing. Replace the driver blade with a new one to fix this issue.

Understanding the common causes of dewalt nail guns not firing can save you time from taking your nail gun to the repair shop. With the above guide, you can diagnose and fix most of the issues on your own.

dewalt nail gun not firing

How To Troubleshoot A Dewalt Nail Gun Not Firing?

Dewalt is a renowned brand that is well-known for its power tools, and the dewalt nail gun is a popular tool used by many professionals. However, if the nail gun is not firing, it can be frustrating and lead to a delay in projects.

This guide will take you through the steps to troubleshoot the issue.

Step-By-Step Guide To Identify And Fix Various Nail Gun Issues

Before you try to troubleshoot the problem, it’s essential to identify the issue.

  • Faulty trigger: A faulty trigger can prevent the nail gun from firing. Press the trigger a few times and listen for any unusual sounds. Additionally, check if the trigger has any visible damage.
  • Air pressure issues: Insufficient air pressure can cause the nail gun to malfunction. Check the air compressor’s psi level and ensure it meets the manufacturer’s guidelines.
  • Jammed nail: A jammed nail can cause the nail gun to stop firing. Remove any jammed nails and clean the gun before trying again.
  • Low nail magazine: Make sure the nail gun has enough nails in the magazine. If you’re low on nails, the nail gun won’t fire.

Importance Of Following Manufacturer’S Guidelines And Safety Measures

It’s crucial to follow the manufacturer’s guidelines when using the dewalt nail gun. Doing so ensures safety and helps prolong the lifespan of the tool.

  • Wear protective gear, such as goggles, gloves, and earplugs, when using the nail gun.
  • Keep the nail gun and its parts clean and in good condition.
  • Always disconnect the power source when cleaning or making any repairs to the nail gun.

Using A Multimeter To Measure Voltage And Troubleshoot Electrical Issues

If the issue is an electrical one, a multimeter can help you troubleshoot the problem.

  • Test the power source: Check the voltage of the power source you’re using to ensure it meets the manufacturer’s guidelines.
  • Test the switch: With the multimeter set to test continuity, check if there is continuity in the switch when pressed.
  • Test the motor: Check the motor’s continuity with the multimeter. If there’s no continuity, the motor needs to be replaced.

By following the above steps, you can troubleshoot and fix common issues with your dewalt nail gun, ensuring that the tool works efficiently and safely, and helping you accomplish your projects with ease.

Preventing Dewalt Nail Gun Malfunctions

Dewalt Nail Gun Not Firing: Preventing Malfunctions

Nail guns can be a helpful tool for carpentry, but they can be hazardous equipment if not taken care of properly. Dewalt nail guns are designed to offer high performance, but their functionality may deteriorate over time due to certain factors.

To avoid dewalt nail gun malfunctions and potential accidents, it is important for users to understand the limitations of the equipment, use personal protective equipment (PPE), conduct regular maintenance checks, and replace worn-out parts regularly.

Proper Maintenance Of Nail Gun

Maintenance plays a crucial role in ensuring the longevity of the dewalt nail gun and avoiding malfunctions. Following are some maintenance tips to prevent possible downtime.

  • Keep the nail gun clean and dry. After each use, clean it with a dry cloth. Never use water to clean the gun, as water can cause rust and corrosion.
  • Lubricate the nail gun regularly to promote smooth movement of the piston and driver blade. Dewalt recommends using only high-grade lubricants to prevent damage.
  • Check the air compressor before use to ensure that it is compatible with the nail gun. Low-pressure air compressors can damage the gun and lead to malfunctions.

Replacing Worn-Out Parts Regularly

The common malfunctions of dewalt nail guns are often caused by worn-out parts that need to be replaced.

  • If the nail gun frequently jams or misfires, there could be an issue with the magazine or driver blade. These parts should be replaced immediately.
  • If the nail gun produces less power or skips nails, it could be due to a worn-out piston or seals. Replacing these parts can help restore the gun’s performance.
  • Regularly check for cracks, rust, or wear on the gun’s handle, trigger, and safety mechanisms. If any part of the gun seems damaged, do not use the gun before replacing the parts.

You must read this blog: Dewalt 20v Battery Says Fully Charged But Not Working

Understanding The Limitations Of The Equipment

To avoid malfunctions, it is important for users to understand the limitations of the equipment. Taking into consideration the following suggestions can reduce the probability of nail gun malfunctions.

  • The nail gun user should never use the equipment for unintended purposes.
  • Dewalt nail guns are designed to handle specific types of nails. Users should ensure that they are using the appropriate size nails as specified by the manufacturer.
  • Ensure the nail gun user manual is well understood, follow manufacturer guidelines on the air pressure requirements, and always use dewalt branded nails to avoid malfunctions.

Importance Of Personal Protective Equipment (PPE)

Personal protective equipment is essential while using a dewalt nail gun. Wearing appropriate ppe can protect against possible nail gun malfunctions.

  • Always wear safety goggles or a safety mask while using the nail gun. This protects the eyes and faces from flying debris.
  • Wear hearing protection to prevent noise-induced hearing loss, which may develop over time.
  • Always wear heavy-duty gloves to keep hands and fingers safe while using dewalt nail guns.

Understanding the proper use, maintenance, and handling of dewalt nail guns are vital elements in preventing nail gun malfunctions and potential hazards. Using personal protective equipment, replacing worn-out parts regularly, performing proper maintenance, and understanding the limitations of the equipment can significantly reduce the risk of malfunctions and accidents.

Hiring A Professional

When To Seek A Professional’S Help

If you’ve tried all of the basic troubleshooting steps and your dewalt nail gun still isn’t firing, it might be time to call in a professional for repair.

  • If you’re not comfortable with the inner workings of power tools, or if you’re unsure of how to proceed with repairs, contacting a professional can help avoid causing more damage to your nail gun.
  • If you’ve tried to clean or repair specific parts of your nail gun, and the problem has not improved or has gotten worse, a professional can help diagnose and fix the issue.
  • If your nail gun has been damaged, such as dropping it or exposing it to extreme temperatures, a professional repair service can assess the damage and provide a repair solution.

Choosing The Right Repair Service

When selecting a repair service for your dewalt nail gun, make sure to take the following factors into consideration:

  • Look for an authorized repair center for dewalt tools. These centers have trained repair technicians who have access to the necessary parts and tools to fix your nail gun.
  • Check the reviews of the repair service provider before reaching out to them. Reviews from customers can provide insight into the quality and reliability of the repair work.
  • Compare prices between repair service centers. While cost should not be the sole factor when choosing a repair service, it’s important to consider the overall value for the price.

Cost Considerations

When seeking the help of a professional for your dewalt nail gun, the cost can vary depending on the scope of the repair needed.

  • Get a quote before committing to any repair work. The repair service provider should be able to give you an estimate of the costs involved.
  • Don’t choose a repair service based solely on cost. Consider the quality of the repair work, the reputation of the provider, and the availability of parts and tools as well.
  • If the cost of repair is too high, it might be worthwhile to consider purchasing a new nail gun instead. Be sure to weigh the cost of repairs versus the cost of a new tool before making a decision.

When your dewalt nail gun isn’t firing, seeking the help of a professional repair service can ensure proper diagnosis and repair. Choosing the right repair service and considering cost factors can make the repair process smooth and hassle-free.

Frequently Asked Questions(FAQs):

Why Is My Dewalt Nail Gun Not Firing?

There could be several reasons for a nail gun not firing, such as low air pressure, a damaged driver blade, or jammed nails.

How Do I Troubleshoot A Dewalt Nail Gun?

To troubleshoot a nail gun, check if all adjustments are properly made, ensure proper air pressure, examine the driver blade, and clean the tool regularly.

How Do I Clean A Dewalt Nail Gun?

First, disconnect the nailer from the air supply. Then remove any stuck nails and wipe the tool with a clean cloth. Use compressed air to blow out any debris or dust.

Why Is My Dewalt Nail Gun Jamming?

The nail gun may be jamming if the magazine is overfilled, there’s debris or dust inside, or the wrong size of nails is being used. Try cleaning the tool and use the appropriate size of nails.

What Is The Right Pressure For A Dewalt Nail Gun?

The right pressure for a nail gun depends on the model being used. Usually, the recommended range is between 70 psi to 120 psi. Check the manufacturer’s instructions for the correct pressure setting.


After going through this blog post, you may have realized that there can be several reasons why your dewalt nail gun is not firing. From the trigger being stuck to a faulty battery, the possibilities are endless. However, you can quickly overcome these issues by understanding the root cause and finding an appropriate solution.

Taking simple steps like cleaning the nail gun, checking for jams, and replacing worn-out parts can help to keep your dewalt nail gun in top condition. Remember, regular maintenance can go a long way in ensuring that your nail gun is always firing successfully.

So, if you’re experiencing problems with your dewalt nail gun, don’t hesitate to go through this guide and troubleshoot the issue.

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