Roomba Brush Not Spinning

Roomba Brush Not Spinning

"As an Amazon Associate, I earn from qualifying purchases. This post contains affiliate links"

It’s the worst when we’re short on time, and our Roomba brush stops spinning. But we shouldn’t think about the problem first. 

Why not focus on identifying the reasons and resolving the not-spinning problem immediately?

There can be many reasons your Roomba brush is not spinning, such as a damaged brush motor, dirty parts, or software or internal hardware issues. You can solve all of these problems, so I have mentioned and explained each reason and how to resolve it in detail.

Just go through each reason and resolve it simultaneously.

Roomba brushes may stop spinning due to hair and debris wrapped around the brush, worn-out brush, faulty brush motor, and software and hardware issues. To fix the issue, clean the brush regularly, inspect it for wear and tear, test the brush motor, update your software, and reset your roomba. If all else fails, contact iRobot customer support for further assistance.

Why Your Roomba Brush Isn’t Spinning?

If your Roomba brush isn’t spinning, it could be due to several reasons. There doesn’t need to be a problem, but it can disrupt you for a while, so you usually try to fix it.

Why Your Roomba Brush Isn’t Spinning?

Here are several reasons why it could be happening and how to fix that later.

Reason 1. Dirty side brush base

If the base of your Roomba brushes is clogged with hair dirt and debris, this might be the reason why the Roomba brush isn’t spinning.

Solution 1. How to Clean a Roomba Side Brush Base?

Here’s how to do so;

  1. Vacuum out the space under the side brush where dust has been building up. 
  2. All Roombas have a similar procedure for removing and replacing the side brushes. 
  3. Take out the Roomba’s side screw with a tiny screwdriver. Loosen the Roomba’s side brush to take it off.
  4. Clean the side brush thoroughly using a vacuum or washing it with water. And place back the side brush as you’ve removed before.
  5. If the side brush still won’t spin freely after you’ve cleaned it, replace it and give it another go at it.

Reason 2. Software or Internal hardware issue

Sometimes, a software or internal hardware issue causes the Roomba brush not to spin.

So, if there is a temporary malfunction, a firm discharge may be able to fix the problem, even if it is more likely to be hardware-related.

Solution 2. How to fix the internal hardware issue?

Here’s how to properly power down (hard reset) your Roomba vacuum cleaner:

  1. Find your Roomba’s “CLEAN” button and press it.
  2. Keep pressing the CLEAN button for 20 seconds or until the Roomba’s lights begin to flash.
  3. Put your finger off the button and wait about a minute.
  4. Plug your Roomba into its power adapter and let it charge for a few minutes if the side brush still won’t activate.
  5. Please go on to our next option if it doesn’t work.

Reason 3. Tight Side Brush

If you’ve just reassembled your Roomba, you may have tightened the brush on too much and stopped it from spinning.

Because the screws affect both the brush and the wheels, just the slightest bit of over-screwing might have serious consequences.

Solution 3. How to fix the tight side brush?

  1. Grab a screwdriver that will fit the Roomba’s main screw.
  2. Hold down the cleaning button for 20 seconds, then turn the Roomba off and flip it over.
  3. Remove the side brush while completely unscrewing the screw.
  4. Replace the screw and gently tighten it, ensuring the brush can spin.
  5. When you push your side brush, it will spin for two or three seconds without any assistance.
  6. If it doesn’t move when you provide artificial inertia, you’ll need to figure out why it isn’t spinning.

Reason 4. Damaged parts

If the components are broken, the side brush won’t spin either because components play the most important role in running your roomba.

Solution 4. How to detect and fix the damaged parts? 

To fix the issue, 

  1. Run the demo and check that the Roomba’s side brush motor is rotating at the right time. 
  2. If the motor doesn’t turn on, it might be due to a faulty module or another issue with the linked electronics.
  3. If the motor turns on, but the side brush doesn’t turn, look for breaks or tears in the yellow section. 
  4. Sometimes, you’ll find that the yellow handle of the side brush has a little break that prevents it from turning smoothly. If that’s the case, replacing it with a fresh side brush would be preferable.

Reason 5. Obstacles on the way to Roomba

There are obstructions in Roomba’s way that it can’t avoid, which is why it’s having difficulties initiating the side brush.

Solution 5. How to Prevent Your Roomba from Getting Stuck?

Checking any obstacles your Roomba could encounter is recommended as a first step toward a solution.

Ensure the route is marked so Roomba can rapidly complete the task. You may also test the new route with the brush by placing dirt before the Roomba.

Reason 6. Dirty gearbox

Sometimes, your Dirty gearbox becomes dirty, and that Dirty gearbox can be a reason why the Roomba brush is not spinning. 

 Solution 6. How to Clean a Dirty Roomba Gearbox?

To clean a gearbox, follow these easy steps;

  1. Take out the side brush by unscrewing the screw.
  2. The gearbox should be beneath the blue-purple compartment.
  3. Locate the gearbox screw and remove it.
  4. The gearbox has two cogwheels, both of which need to be cleaned of debris.

To ensure a spotless gearbox, I recommend running the vacuum over it again while turning the cogwheel.

Remember that the cogwheels, like the side brush, must be able to spin freely before replacing the compartment.

Reason 7. Roomba Is On A Mapping Run

During a Mapping Run, your Roomba will explore your house without its brushes spinning. During that period, the Roomba will not clean. Therefore, its brushes will not spin.

See Also: Roomba Mapping Run

Solution 6. How to fix a Roomba brush that isn’t spinning?

Nothing needs fixing since your Roomba isn’t experiencing any issues. Let the Roomba finish its Mapping Run before you expect it to start spinning its brushes and cleaning again.

If you want to help the Roomba complete its Mapping Run without interfering with it, then leave it alone to do so.

Reason 7. Faulty Side Brush Gears 

Brush gears are part of the Roomba that plays an important role in spinning your Roomba, So faulty side brush gears can be one of the reasons that’s why your roomba isn’t spinning.

Solution 7. How to fix the faulty side brush gears?

To examine the gearcase, you will need to partly disassemble the Roomba if the side brushes are moving irregularly, roughly, or not at all. 

  1. Unscrew the bottom cover first and Take away the bottom cover
  2. Take out the brush-drive screws on the side and take off the brush motor on the side
  3. Unscrew the three-winged screw and Carefully remove the case’s lid.
  4. You should inspect the interior of the gearcase for any debris, such as hair since it is likely to be wrapped around the gear shafts. If it’s there, get rid of it before continuing.
  5. Check the bearing on the brush gear (the one furthest from the motor); if the hole in the plastic base that serves as the bearing is broken, the brush won’t spin properly. 
  6. If the module is worn, it must be replaced. If it’s OK, proceed.
  7. Check the teeth of the little gear that sits above the middle gear. These often get damaged, leading to the brushes’ inability to spin or spin irregularly. 
  8. You can replace the drive if any of the teeth break. You may also get replacement gear on Amazon, most likely at a lower price.
  9. White lithium lubricant should be applied to all gearboxes in excellent condition. 

Reason 8. Defective Brush Motor

A defective motor is a major sign of why the Roomba brush is not spinning because the motor produces the spins, and if your roomba has a defective Brush motor, then it won’t be as it should be.

Solution 8. How to troubleshoot a Defective Brush Motor?

Here’s how to fix it;

  1. First, pay attention to any strange sounds or a Roomba that doesn’t seem to be moving. It might be a sign of a broken motor.
  2. If the motor is broken, contact Roomba’s tech support to see your options for getting it fixed or replaced.
  3. It’s a technical problem, so I recommend you refrain from tackling this issue yourself; try contacting the roomba Customer Service team.

Discover how to fix a non-spinning Roomba brush with a YouTube video.

What to do if the Side Brush is still not Spinning?

Well, if you have tried every method and the side brush motor is still not spinning, you should see whether there is an electrical connection problem. 

To check for the problem, try reinserting the battery into the cleaner.

If your Roomba’s side brush module or motor is still under warranty, you may have iRobot replace or repair it; otherwise, you can purchase a replacement side brush from an online or offline source compatible with your Roomba model.

Is the side brush of Roomba supposed to spin continuously?

The side brush of a Roomba is designed to rotate continuously as it cleans.

Two brushes are used in the operation of a Roomba. 

  • The first brush is the side brush, which collects dust and deposits it along the Roomba route. 
  • The second brush on a Roomba is accelerated into the vacuum’s suction channel by the brush roller, also called the beater bar, in the Roomba’s center.

How Long Do Roomba Rollers Last?

The rollers in a Roomba should last for at least nine months. That will, of course, depend on how much usage it endures. 

For instance, a filthy roller will wear down faster if you don’t clean it regularly. However, the roller may live longer before it has to be replaced if it is regularly maintained and cleaned.


What can I do if the brushes on my Roomba stop spinning? 

If the side brushes on your Roomba aren’t rotating, you may try cleaning them, lubricating them, or replacing them. Smart vacuums will ultimately have regular maintenance needs.

When should you replace the Roomba’s side brush?

The side brush might break after six months, depending on how frequently you use your vacuum. You may need to change the brush every two to three months if you have a pet or live in a very dusty location.

How many brushes does Roomba have?

The Roomba i7+ is equipped with one edge sweeping brush that cleans corners and two multi-surface rubber brushes that remove dirt.


Regular maintenance, fast problem-solving, and appropriate handling may considerably increase your Roomba’s lifetime. 

It must be annoying when your Roomba brush isn’t spinning, but with the information in this blog, you can fix the problem quickly and easily. 

You may enjoy your Roomba’s hassle-free functioning and ensure that your house stays clean and fresh with little effort if you follow the detailed measures for each reason.

Keep in mind that if you run into any difficulties with your Roomba that you can’t fix on your own, you can always contact customer support for help. Have fun tidying up!

Thanks For Visiting!

Related Articles:

Similar Posts

Leave a Reply

Your email address will not be published. Required fields are marked *