Dewalt Battery Chainsaw Not Working: How to Fix It

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Updated in October 2025 | By John

What to Do

Your Dewalt battery chainsaw is a powerful and versatile tool, but it can be frustrating when it suddenly stops working. Here are a few things you can check to troubleshoot the problem

Check the battery. Make sure that the battery is charged and properly inserted into the chainsaw.
Check the chain oil level. The chain oil lubricates the chain and keeps it running smoothly. If the oil level is low, the chain may become dry and start to bind.
Check the chain tension. The chain tension should be adjusted so that it is snug against the bar, but not so tight that it is difficult to turn.
Clean the chainsaw. Dust and debris can build up on the chainsaw and cause it to malfunction. Make sure to clean the chainsaw regularly to keep it running smoothly.

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

So Dewalt Battery Chainsaw Not Working

Dewalt Battery Chainsaw Not Working: How to Fix It

If your Dewalt battery chainsaw is not working, here are a few things you can check:

Make sure the battery is charged:
The most common reason for a chainsaw not working is a dead battery. Check the battery level indicator on the chainsaw or the battery pack itself. If the battery is low, charge it for at least 2 hours before using it.

Check the spark plug:
If the spark plug is dirty or fouled, it can cause the chainsaw to not start. Remove the spark plug and clean it with a wire brush. If the spark plug is damaged, replace it with a new one.

Check the air filter:
A dirty air filter can restrict airflow to the engine, causing it to run poorly or not start at all. Remove the air filter and clean it with a dry cloth. If the air filter is damaged, replace it with a new one.

Check the carburetor:
If the carburetor is dirty or out of adjustment, it can cause the chainsaw to run poorly or not start at all. Clean the carburetor according to the manufacturer’s instructions. If the carburetor is damaged, have it repaired or replaced by a qualified technician.

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

Dewalt Battery Chainsaw Not Working

What to do if your Dewalt battery chainsaw is not working

If your Dewalt battery chainsaw is not working, there are a few things you can check to troubleshoot the problem.

1. Check the battery

The first thing you should do is check the battery to make sure it is charged and properly connected to the chainsaw. If the battery is not charged, plug it into a charger and wait until it is fully charged. If the battery is properly connected to the chainsaw and still not working, try replacing the battery with a known-good battery.

2. Check the chainsaw’s power switch

Make sure that the chainsaw’s power switch is turned on. If the power switch is off, turn it on and try to start the chainsaw again.

3. Check the chainsaw’s air filter

If the chainsaw is not getting enough air, it will not start. Check the air filter to make sure it is clean and free of debris. If the air filter is dirty, clean it or replace it with a new one.

4. Check the chainsaw’s spark plug

If the chainsaw is not getting spark, it will not start. Check the spark plug to make sure it is properly installed and that the electrodes are clean. If the spark plug is dirty, clean it or replace it with a new one.

5. Check the chainsaw’s carburetor

If the chainsaw is not getting the correct amount of fuel, it will not start. Check the carburetor to make sure it is clean and adjusted properly. If the carburetor is dirty, clean it or have it serviced by a qualified technician.

6. Take your chainsaw to a qualified technician

If you have tried all of the above troubleshooting steps and your chainsaw still is not working, it is best to take it to a qualified technician for further diagnosis and repair.

Preventative maintenance tips for your Dewalt battery chainsaw

To help keep your Dewalt battery chainsaw in good working order, there are a few things you can do to perform preventative maintenance.

Charge the battery regularly: Even if you do not plan on using your chainsaw for a while, it is important to charge the battery regularly to prevent it from losing its charge.

Clean the air filter regularly: A dirty air filter can restrict airflow to the chainsaw’s engine, which can cause it to run poorly or not start at all.

Inspect the spark plug regularly: A fouled spark plug can prevent the chainsaw from starting or running properly.

Clean the carburetor regularly: A dirty carburetor can cause the chainsaw to run poorly or not start at all.

Have your chainsaw serviced by a qualified technician annually: A qualified technician can inspect your chainsaw for any problems and perform any necessary repairs.

By following these preventative maintenance tips, you can help keep your Dewalt battery chainsaw running smoothly and efficiently for many years to come.

Also Read: Dewalt Battery Chainsaw Stopped Working

FAQs: Dewalt Battery Chainsaw Not Working

Why is my Dewalt battery chainsaw not working?

There are a few reasons why your Dewalt battery chainsaw might not be working. Here are some of the most common causes:

The battery is not charged: Make sure that the battery is fully charged before using the chainsaw.

The battery is not inserted correctly: Make sure that the battery is inserted all the way into the chainsaw.

The battery is damaged: If the battery is damaged, it will not be able to power the chainsaw.

The chainsaw is not turned on: Make sure that the chainsaw is turned on before using it.

The chainsaw is clogged with sawdust: If the chainsaw is clogged with sawdust, it will not be able to operate properly.

How do I charge my Dewalt battery chainsaw?

To charge your Dewalt battery chainsaw, follow these steps:

1. Connect the charger to the chainsaw.
2. Plug the charger into an outlet.
3. The charger will light up to indicate that it is charging.
4. The battery will be fully charged in about 2 hours.

How do I insert the battery into my Dewalt battery chainsaw?

To insert the battery into your Dewalt battery chainsaw, follow these steps:

1. Remove the battery cover.
2. Align the battery with the battery compartment.
3. Insert the battery into the battery compartment until it clicks into place.
4. Replace the battery cover.

How do I turn on my Dewalt battery chainsaw?

To turn on your Dewalt battery chainsaw, follow these steps:

1. Press the power button.
2. The chainsaw will start up and the power light will turn on.

How do I clean my Dewalt battery chainsaw?

To clean your Dewalt battery chainsaw, follow these steps:

1. Turn off the chainsaw and disconnect the battery.
2. Use a soft brush to remove any sawdust or debris from the chainsaw.
3. Wipe down the chainsaw with a damp cloth.
4. Reattach the battery and turn on the chainsaw.

About The Author

Hi, I’m John, the creator of this site.
With years of hands-on gardening experience, I’m passionate about growing fresh fruits and vegetables and making gardening easy for everyone.
Here, I share tips, ideas, and inspiration to help you enjoy a thriving garden—no matter your skill level!