Why Is My Dyson Vacuum Pulsing on and Off?

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Dyson has a range of fantastic cordless vacuums. However, Dyson vacuum pulsing on and off. This applies to models such as Dyson DC58, DC59, V6, and others.

When your Dyson cordless vacuum continues to turn off and back on while you’re using it to vacuum, check out these possible solutions.

The only tools you’ll require are a coin like a quarter or nickel and some kind of long and slim like a flat-head screwdriver or butter knife.

Reasons Why Dyson Vacuum Pulsing on and Off?

1. Check Your Battery & Charger

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Charge the battery fully. If your Dyson vacuum isn’t working, it could be because the battery has been improperly placed on the charger, preventing the battery from getting a full charge between uses. Ensure your charger is connected properly too. 

Batteries aren’t guaranteed to last forever, depending on their age and usage. You can buy an additional battery if your Dyson vacuum switches off and on after several minutes of usage.

2. Check Your Power Cord

If your Dyson isn’t cordless, check that the power cord has been fitted into a functioning power outlet. Verify that the cord isn’t affected in any manner, which could result in your Dyson to continue shutting off.

3. Dyson Pulsates Because of Problems With Airflow.

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The Dyson was designed and built to be a pulse; therefore, don’t fret about your motor breaking or that your Dyson will become stuck. “The Dyson was built to be able to pulse. The sound indicates a blockage of airflow and harm to the machine. It usually occurs due to an obstruction in the unit or a blockage in the filter,”.

Pulsing is best described as Dyson stuttering or stammering. It appears as if the Dyson switches on and off in rapid intervals. If the Dyson pulses, you can listen to the sound. In many instances, the blue light will blink, too.

4. Check the Max Button

If the MAX button is illuminated and flashes whenever the Dyson cordless vacuum continues to pulsate in and out, hold the power button, then depress the MAX button to disable the function. You might have to test it several times before you master the process.

This happened to us, and we could not, for the time being, figure out the reason or how MAX was activated. We are also not certain what the reason is and why it is causing issues when it’s switched on.

5. Check for Air Blockages & Tangled Hair

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If your Dyson makes a loud pitched sound or cutting, ensure that you have the bin clean and there aren’t any obstructions in the top of the container. Use a flashlight to check for any other obstructions while looking at the valve near the top and where it connects to the canister. 

Be sure it is free of hair or dirt and can open and close freely. You should also examine the attachments, motorhead, and flapper of the dust cup to determine if there are obstructions that could cause your vacuum to be able to cycle in and out.

6. Look For Clogs in the Attachments

Try using the Dyson vacuum with no long sweeper attachment, and then check if you are still experiencing the issue. If not, there could be a blockage somewhere inside that attachment.

Examine the tube using the aid of a flashlight. Examine whether there are any obstructions on the side of the sweeper or if the roller has become caught in fibers. It’s quite simple for you to use nickel, take the roller off and scrub the entire area thoroughly.

The valve should be checked near the top and where it connects to the canister. Check that it’s clear of obstructions and that the valve is open and closes easily.

7. Remove the Dust Bucket

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It’s not easy to empty the bucket of dust at times. It’s not a major issue, as we only employ an outdated butter knife. But, debris can accumulate in difficult-to-access places.

It’s a good thing that removing the dust bucket to allow for better cleaning is easy. Simply press the red release tab once to release the flap and then again to release it from the bucket.

8. Frozen Flap

Some of our readers have suggested that the Dyson cordless vacuum may have a flap in the head of the vacuum that could be stuck. Remove the attachment, look for the flap, and gently push to release it. Thanks to all who shared this information!

9. Rinse the Filter

Are you aware of the blue cone-shaped filter that’s supposed to wash every month? Most people will take it out from time to time, check it’s good, and then put it back into.

We’ve observed that you must wash the filter frequently, even if it appears clean from the outside. Follow the vacuum directions to wash it in the sink for about a couple of minutes, turning and squeezing it as you wash.

Squeeze out any excess water and let it dry for a minimum of 24 hours. When it’s dry to the bone, take it back into your Dyson vacuum. If you cannot remove the dirt completely or it’s worn out, you can purchase an entirely new filter for around $16.95.

Here’s a great suggestion shared by a reader: try to remove the filter and see whether the vacuum is running smoothly and without pulsing. This should indicate whether it’s the filter that’s the issue. The vacuum won’t be able to properly suction without the filter. However, at the very least, you’ll know whether a blocked or damaged filter causes your Dyson to stop and back on.

To Wrap It Up


Whether you’re brand unfamiliar with Dyson or previously utilized their products, it’s important to know what to do about a spinning vacuum. The pulsing occurs when the vacuum’s bin is overflowing or there is an obstruction in the attachment. Therefore, regular cleaning is essential.

Considering maintenance, it’s best to replace the front and back filters every 6-12 months to ensure that it works effectively. It’s also recommended to empty the dirt bin every week or whenever you use it to avoid motor problems.

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