[Solutions Added] Troubleshooting Why Battery Operated Weed Eater Stopped Working?

by Jason Ryffe
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Why battery operated weed eater stopped working? The most common reason a battery-operated weed eater stops working is that debris obstructs the weed eater’s cutting line. Other causes include a faulty power switch, a failure in the battery, and more.

A battery-operated weed eater is one of the most commonly used weed eaters. In this article, we will elaborately discuss the reasons and solutions why a battery-operated weed eater does not work. It will help you to solve your battery-operated weed eater problems quickly. So, without wasting any more time, let’s dive into the main discussion.

Why Battery Operated Weed Eater Stopped Working?

Trimming your yard can be an easy, straightforward job when you have the correct tools that are in working order. When weed eater is your choice, you can select from battery-operated or gas weed eaters to cut carefully around poles and other things.


Regrettably, even a battery-operated weed eater of a renowned brand might sometimes malfunction and will not start. If your battery-operated weed eater seems to be getting no power, the issue is generally caused by debris in the weed eater’s cutting line.

However, a little troubleshooting can often solve the problem. To commence with, let’s help you with this quick chart.

Reasons For Stopping WorkingProbable Solutions To Try
Debris obstructing the weed eater’s cutting lineClear all material from underneath the weed eater
Faulty power switchReplace the switch
A failure in the batteryReplace the battery
Defective chargerChange the charger
Motor driver power supply is overheatingInstall a small computer fan inside the weed eater.

In the below guide, we will discuss why weed eater does not start and their possible solutions in detail.

Debris Obstructing The Weed Eater’s Cutting Line

Sometimes, debris can obstruct the battery-operated weed eater’s cutting line. If you have a battery-powered weed eater that will not start, turn off the weed eater and check the bottommost of the weed eater. If debris or grass has blocked the weed eater’s cutting line, the weed eater might not start.

Solution: You have to clear all material from underneath the battery-operated weed eater to solve the issue.

Faulty Power Switch

Another common reason behind this issue is a faulty power switch. It will cause your battery-operated weed eater not to start.

Solution: In this case, you need to replace the faulty power switch to resolve the weed eater stopped working issue.

A Failure In The Battery

Some people have complained that their battery-operated four-cycle engines’ weed eaters are not starting. After diving deep, we discovered that the reason behind it was a failure in the battery. Although they hardly ever fail out of the blue, a battery can worsen to the point where it cannot provide adequate charge for the battery-operated weed eater to start.

Solution: To solve this issue, you have to replace the battery.

Defective Charger

The most obvious issue of having a battery-operated weed cutter is whether its charger is working correctly or not. If it is not, then the weed cutter will not work. Sometimes, the charger can become defective, and as a result, your weed cutter will not start.

Solution: You are required to change the defective charger to solve this issue. Also, check whether the electrical outlet from where you are connecting the charger is drawing power by itself or not. In addition, check your circuit breaker and fuses to ensure no issues exist with the power source.

Motor Driver Power Supply Is Overheating

Many people have complained that their battery-operated weed eater shut down after being used for 10 minutes. After that, it will not start again. They face this problem every time they use it. Even after changing the battery, this problem has not stopped.

Also Read: Weed Eater String Size Chart- Helping You Choosing The Right String, YES!

A user from IFixit discovered the reason behind this problem and said,

“The motor driver power supply inside is overheating and will shut down until it cools to a lower temperature.”

Solution: In this case, firstly, you have to install a small computer fan inside your battery-operated weed eater. Then, direct the airflow towards the motor driver heat-sink to eliminate the shutting down issue.

A Helpful Tutorial You May Need!


Frequently Asked Questions (FAQs)

How do you fix a weed eater that won’t start?

To fix a weed eater that won’t start, check the fuel to ensure that you are using the correct gas-to-oil ratio for the weed eater. Then, you have to change the spark plug. After that, replace the fuel filter. Now, you need to review the starting process of the weed eater. Finally, empty the grass collection basket and start the weed eater to check whether it is working.

Can a weed eater overheat?

Yes, a weed eater can get overheated. The heat produced in the trimming process by a weed eater is usually channeled away into the atmosphere. If the heat isn’t appropriately emitted or the engine is worked excessively, it will cause the weed heater to overheat. As a result, the weed heater will stop functioning. Though most overheating issues are related to the engine, the string head may burn out.

How do you clean a weed eater battery?

To do a deeper cleaning of a weed eater battery, you can use a stiff brush and a damp cloth together. You can also use cotton swabs and lightly dampen them with machine oil to clean the battery. In addition, you can use a carbon cleaner as well as a wire brush on the battery to clean away dirt.


Weed eaters are a type of string trimmer that has been popular with lawn owners for more than four decades. They make it simple to keep your landscape gardening looking great. Though convenient, these lawn care tools can sometimes refuse to start, compelling you to troubleshoot them. Troubleshooting the weed eater corrects these issues and ensures perfect conditions for using it.

If you cannot figure out the issue on your own, you need to find it on the internet. Finding out the problem on the internet can be a difficult task, and that is where we come in. In this article, we have discussed five reasons and their solution for the battery operated weed eater stopped working problem. Hopefully, it will help you figure out your problem and solve it.

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