The Dewalt DCS391B 20V MAX Cordless Reciprocating Saw is compatible with all Dewalt 20V MAX batteries.

The saw battery charger or batteries do not work. The charger may be defective, or the batteries may be old and need to be replaced.

If your Milwaukee battery saw is not working, it could be due to a number of reasons. Here are a few possible causes and solutions

The battery is not charged. Make sure the battery is fully charged before using the saw.
The battery is not inserted properly. Check to make sure the battery is inserted all the way into the saw.
The saw is not turned on. Make sure the saw is turned on.
The saw is jammed. Try clearing the jam by turning the saw off and then on again.
The saw is defective. If the saw is still not working after trying these solutions, it may be defective. Contact Milwaukee customer service for assistance.

Dewalt battery chainsaw stopped working. Checked battery – fully charged. Checked chainsaw – no damage. Tried resetting chainsaw – no change.

Ryobi battery chainsaw won’t start
1. Make sure the battery is charged.
2. Check the spark plug.
3. Clean the air filter.
4. Inspect the chain and bar for damage.

If your Stihl battery chainsaw is not working, it could be due to a number of factors, including a faulty battery, a problem with the chain brake, or a clogged air filter. To troubleshoot the issue, you will need to first identify the cause of the problem.

Stihl Battery Chainsaw Won’t Start

Check the battery charge level.
Make sure the battery is properly connected to the chainsaw.
Check the air filter for dirt and debris.
Clean the spark plug and check the gap.
Inspect the starter rope for damage.
Contact a Stihl service center for assistance.

Battery chainsaw stopped working because of a loose battery connection, a faulty battery, or a problem with the motor.

Battery chainsaw not working
Check battery for charge.
Make sure battery is properly connected to chainsaw.
Clean battery terminals with a wire brush.
Replace battery if it is damaged.

Battery chainsaw won’t start

Check the battery charge.
Make sure the battery is properly connected to the chainsaw.
Clean the battery terminals.
Try a different battery.
If the chainsaw still won’t start, take it to a service center.