It was a perfectly normal day when I went to vacuum my house and noticed something strange. My Dyson brush bar wasn’t spinning.

I had no idea what the problem could be, so I investigated further after some research. I discovered that this is a common issue with Dyson vacuums, and there are several potential causes for it.

In this article, we’ll take a deep look at why your Dyson brush bar might not be spinning properly and how you can fix it quickly and easily.

Let’s get started!

Why is your Dyson brush bar not spinning?

Your Dyson brush bar may not be spinning for several reasons, such as a bristle blockage or a damaged belt.

It is important to check all parts of your vacuum cleaner before assuming an issue with the brush bar.

You should also ensure that you use the correct settings on your unit when cleaning different surfaces and regularly cleaning and maintaining them.

1. Dirty brush bar

Dirty brushes of vacuums can cause the brush bar not to spin, and dirt and debris buildup can prevent the bristles from rotating freely.

This issue may be noticeable with pets, dust, dirt, fur, and other debris. The best way to avoid this problem is to clean the brush on your vacuum cleaner regularly.

You should remove any blockage in the brush, turn off the machine, and unplug it from the wall outlet. Then use a screwdriver to gently open the vacuum base to access the brush bar.

With tweezers, carefully remove any visible pieces of debris that may be blocking the brush bar. Once the blockage is cleared, plug in your vacuum and turn it on.

If this doesn’t resolve your issue, inspect other parts of your vacuum, such as the belt, motor housing, or roller brushes, for further blockage before turning off and unplugging again.

2. Dirty electrical connector

One of the most common causes of a vacuum brush bar not spinning is when the electric connector between the machine and the powerhead becomes dirty.

This can happen after prolonged use of the vacuum cleaner, as dirt and debris build up on the connection.

You must disconnect the power head from the main unit, then carefully clean both sides of the connector with a damp cloth.

Ensure no residue is left behind on either side before reconnecting them; otherwise, this could result in a faulty connection which could cause electrical issues with your device.

It is important to check for any signs of wear and tear wires around the connector to ensure they are properly functioning.

3. Stuck transmission rod

A stuck transmission rod can cause a vacuum brush bar not to spin. The transmission rod connects the motor to the brush bar.

Its purpose is to transfer power from the motor to the rotating action of the brush bar. If this part becomes stuck, it can prevent the brush bar from spinning, even if the motor is running.

This issue can be caused by debris or dirt that becomes clogged in the mechanism and prevents it from moving freely.

It may also occur if any components have worn out and require repair or replacement.

You should need to clean the transmission rod to ensure your vacuum performance.

4. Overheating

One of the most common causes for your vacuum brush bar not spinning is if it becomes overheated.

This can happen if the brush bar is used too long or comes into contact with something too hot.

When the brush bar overheats, it causes the motor to stop working and prevents it from spinning. When the temperature rises within the motor, it can damage its components and cause a breakdown.

Ensure to happen, make sure to regularly inspect your vacuum cleaner for any signs of dust buildup or other debris that may be blocking air flow through the device.

If you notice any issues, take a break from vacuuming and let your machine cool down before continuing. Also, do not try to use your vacuum on high-pile carpets or thick rugs to cause overheating.

5. Broken power source

A broken power source is also a cause for this. If the power to your vacuum isn’t reaching.

The device won’t be able to spin the brush bar. To prevent this issue, inspect your power cord and plug for any signs of damage or wear.

If everything looks okay, there may be an issue with the internal wiring of your vacuum. In this case, you’ll need to contact an expert for help in repairing or replacing any faulty components.

6. Damaged battery

The vacuum brush bar not spinning may occur due to a damaged battery. In this case, you will notice that the brush bar and other parts of the vacuum are no longer responding as expected. The motor may fail to turn on, or the suction power may become weak or insufficient for cleaning.

The problem may also be caused by a broken or corroded battery connection, which prevents electricity from reaching the motor and other components.

Inspecting the battery and connection carefully to determine whether they need to be replaced is essential. It will be best to purchase a replacement part and follow all instructions for proper installation.

7. Wrong height setting

One of the most common reasons for a vacuum brush bar not spinning is that the height setting of the vacuum cleaner has been adjusted incorrectly.

If the height setting is too low, it can cause the brush bar to stop spinning as it does not have enough clearance from the surface.

The height settings should be adjusted based on the type of flooring being vacuumed.

If vacuuming carpets or rugs, the height should be kept as low as possible to get a deep clean and pick up dirt and debris more effectively.

However, if vacuuming on hard floors such as tile, then the height should be increased so that it does not scrub at the surface and damage it.

If you find that the brush bar has stopped spinning after vacuuming for an extended period of time,.

Then you should ensure no blockage around the brush bar or roller and that the height setting is correct for a particular floor type.

8. Improperly locked vacuum

If the brush bar of your vacuum cleaner is not spinning, it could be due to an improperly locked vacuum. When a vacuum cleaner is turned on, a series of power connectors lock into place to ensure that all machine parts are securely connected.

If one of these connectors becomes loose or does not lock correctly, then the machine may not spin the brush bar. This can lead to reduced suction and poor cleaning performance.

Ensure that this is the cause of your brush bar not spinning; carefully examine the connections on your vacuum, making sure that they are secure and properly engaged.

If any appear loose, try reinserting them and locking them back in place. If that doesn’t work, you may need to replace faulty components with new parts.

9. Broke brush belt

A broken belt is one of the most common reasons for the vacuum brush bar not spinning. The belt is part of the system that powers the brush bar.

If it becomes worn or stretched out, it can break and cause the brush bar to not function. When this happens, it may be necessary to replace the belt with a new one.

Replacing a broken belt requires taking apart the vacuum cleaner and removing its coverings. Once these are taken off, you should be able to locate the roller brush.

Which contains a rubber belt connecting two pulleys. The belt should be inspected to see if there are any signs of wear or damage. Such as cracks. The belt must be replaced with an exact match if it looks worn or damaged.

The new belt should be installed on both pulleys and adjusted to have some tension but not too much. If the belt is set too tight, it will stretch prematurely, or if it is too loose, it will slip off easily when operating at high speeds.

10. Customer support

If you still need any help, you should contact Dyson customer support for another solution.  Customer support can provide you more solutions because they have qualified technicians.


Why is my Dyson brush bar not spinning?

If your Dyson brush bar is not spinning, it could be for a few reasons. One of the most common causes is when the roller brush has become clogged with debris.

This can prevent the brush bar from spinning properly and needs to be removed to get the brush bar spinning again.

Another cause could be that the belt of your vacuum cleaner has become worn or broken, making it difficult for the roller brush to spin. If this happens, you will need to replace the belt of your vacuum cleaner to operate correctly again.

Why is my Dyson brush bar not spinning with no blockage?

If your Dyson brush bar is not spinning, there may be various causes. One of the most common reasons for this issue is the drive belt has worn out or been stretched.

This can cause it to slip and cannot run at full speed. You may need to remove any blockages and replace the drive belt or check for any other disruptions with power delivery, such as motor faults or switch issues, to avoid them.

Can I wash my Dyson filter?

Yes, you can wash your Dyson filter. But you should read the care instructions carefully before doing it. Most Dyson filters should be washed in cold water with mild detergent and air dry for best results.

Avoid using harsh cleaners that could damage the filter material. Also, ensure the filter is completely dry before putting it back into your vacuum cleaner for optimal performance.

Wrapping Up

These are possible solutions if your Dyson vacuum cleaner brush bar is not spinning. 

  • Dirty brush bar 
  • Dirty electrical connector 
  • Blocked wand
  • Stuck transmission rod 
  • Overheating 
  • Broken power source 
  • Damaged battery 
  • Wrong height setting 
  • Improperly locked vacuum
  • Broke brush belt 

If all the above solutions do not solve the issue, you should contact an expert technician for another solution.

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