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Dyson V8 Troubleshooting

The Dyson V8 is a versatile powerful cordless vacuum cleaner model of Dyson, but like any electronic device, it may encounter issues from time to time. Having trouble with your trusty Dyson V8 like not working, experiencing pulsing, or failing to charge, don’t despair, we’ve got the solutions you seek. We cover all Dyson v8 problems with solutions in this Dyson v8 troubleshooting blog. Let’s start one by one with its solution.

Dyson V8 Troubleshooting

Dyson V8 Pulsing

If your Dyson V8 is pulsing, there are a few potential causes and solutions you can explore. To troubleshoot the issue, follow these steps:

Causes of Dyson V8 Pulsing:

Here is the list of causes of Dyson V8 pulsing.

  • Clogged filters: Restrict airflow and overheating protection.
  • Full dustbin: Blocks airflow.
  • Wand/attachment blockages: Debris or hair.
  • Faulty battery: Uneven power.
  • Motor problems: Rare, potential failure.
Dyson V8 Pulsing

Solutions of Dyson V8 Pulsing:

  • Clean your vacuum filters: Remove and wash both pre-motor (located at the top of the cyclone) and post-motor filters with cold water. Dry completely before reinserting.
  • Empty dustbin: Unclip and empty regularly to prevent blockages.
  • Check for blockages: Detach wand and attachments and clear any debris or obstructions.
  • Charge the battery: Most of the time due to low battery the vacuum also pulsing, ensure that your vacuum is full charge.

Follow all above mentioned solutions of pulsing, if you again face the pulsing issue with your Dyson V8 then you should contact the vacuum repairing lab near you or contact with Dyson support.

Dyson V8 Not Working

If you are facing any of the following issues with your Dyson V8, this guide provides an overview of potential causes and recommended solutions.

Problem 1: Vacuum Won’t Turn On

If your Dyson V8 doesn’t turn on when you press the trigger, here’s what you can do:

Possible Causes:

Battery depletion, electrical connection problems or faulty power unit.

Solutions of Vacuum Won’t Turn On:

  • Check if the battery is low and charge it if needed.
  • Make sure the battery is properly connected with your vacuum and charging unit.
  • Look for any damage on the charging cable and plug.
Vacuum Won’t Turn On

Problem 2: Vacuum Keeps Cutting Out

If your V8 power is acting up, follow these steps:

Possible Causes:

Battery issues, Loose connections, or problems with the trigger mechanism.

Solutions of Vacuum Cutting Out:

  • Check the trigger for any damage or obstruction.
  • Check the battery connections are secure and clean.
Vacuum Keeps Cutting Out

Problem 3: Brush Bar Not Rotating

If the brush bar isn’t spinning, try the following:

Possible Causes:

Blockages in the brush bar, malfunctioning drive belt, or motor issues.

Solutions of Brush Bar Not Rotating:

  • Remove any debris or blockages from the brush bar and bristles.
  • Check for tangles in the brush or a loose drive belt.
Brush Bar Not Rotating

Problem 4: Unusual Noises

At the time of vacuuming, if your Dyson V8 vacuum produce some strange or loud noises, here’s what to do:

Possible Causes:

Damaged components, debris in the motor, or a malfunctioning brush bar.

Solutions of Noises:

  • Turn off your V8 Vacuum and check any foreign objects in the motor or brush bar housing. If you see any object in it then remove it.

Note: In case of no object found then contact with the repair lab.

Dyson V8 Head Not Spinning

If you’re facing the problem with your Dyson V8 vacuum cleaner’s head not spinning, there are a few causes to investigate. To resolve the issue, follow these steps:

Causes of a Dyson V8 Head Not Spinning:

  • Blockages (Debris, hair, or string can wrap around the brush bar or clog the airways).
  • Belt issues (Damaged brush bar belt or broken, or misaligned).
  • Motor failure (In some cases, the motor might have failed).

If your V8 head is damage and need to replace, then buy Now.

Dyson V8 Head Not Spinning

Solution of a Dyson V8 Head Not Spinning:

Fixing Blockages:

  • Take out the brush bar and get rid of any stuck stuff like hair or debris.
  • Look at the airways and remove anything blocking them.

Checking and Changing the Belt:

  • Remove the brush bar to check the belt. If it’s damaged or not in the right place, put in a new one.

Troubleshooting Common Dyson V8 Charging Issues

Let’s explore each point of your Dyson V8 not charging:

Dyson V8 Not Charging:

  • Make sure your vacuum is correctly docked or plugged in.
  • Confirmed that your power outlet is working.
  • Look for any damage to the charging cable.
  • Confirm that the plug fuse is not blown.
Dyson V8 Not Charging

Deeper Troubleshooting:

  • Wipe the docking station and vacuum charging contacts with a dry cloth.
  • If possible, try using a different docking station.
  • If your battery is old or damaged, think about getting a replacement.

Dyson V8 Not Holding Charge:

  • Like any battery, the Dyson V8’s lithium-ion battery loses power over time. So, it’s necessary to replace it from time to time.
  • Try not to expose the Dyson V8 to very hot or cold temperatures when charging or storing it.
  • Avoid completely draining the battery all the time.

In case of damage battery replace your battery with original Dyson v8 battery.

Dyson V8 Not Charging No Light:

Power Supply Issue:

  • Double-check all sockets and connections.
  • Test with a different charging cable or outlet.

Internal Issue:

  • In rare cases, there might be a problem with the motherboard or charging port.
  • If the above steps don’t work, it’s best to seek professional repair or use the warranty service.

Dyson V8 Not Charging Flashing Red Light:

If your Dyson V8 is showing a flashing red light and not charging, it may be a

  • Battery or charging issue.
  • First, unplug the vacuum and let it cool down for a few minutes. Then, try charging it again.

If the problem persists, consider getting a new battery for your Dyson V8.

Dyson V8 Flashing Blue Light:

If you see a flashing blue light on your Dyson V8, it indicates the vacuum battery needs charging. Just connect it to the charging docking station or use the charging cable. It takes about “5 hours” to fully charge.

Dyson V8 Cleaning and Maintaining

Here we are discussing the Dyson v8 cleaning and maintenance steps. Follow it for maintaining your Dyson v8 vacuum in top condition.

Emptying the Bin:

  • Pull the vacuum handle on top of the bin and pull it to empty the dirt.
  • For a deeper clean, press the red button inside and pull down to detach the bin.

Cleaning the Filters:

  • Rinse the top pre-filter under water and let it air dry.
  • Twist off the back post-filter, rinse it under water, and let it air dry.

Replace your damage filter with new filter.

Deep Cleaning the Machine:

  • With the help of a paintbrush clean inside the Dyson V8 main body, especially around the motor and seals.

For the Fluffy Head (Absolute and Fluffy Models):

  • Now use a screwdriver to remove the roller and wash it under water.
  • Brush the other parts and let everything dry before putting it back together.

For the Main Motor Head:

  • For detaching the roller, use a screwdriver then wash it under warm water and let it dry.
  • With a brush clean the remaining parts and wait for them to dry before reassembling.

In case of any part damage replace it with new one. All parts available on thevacuumwizard Dyson V8 Parts page. Visit now and buy now.


  • Don’t wash the cyclone assembly (the clear part where dirt collects).
  • Don’t wash the soft rubber seal around the bin’s edge.
  • Don’t wash the metal contacts inside the bin.

By following these simple Dyson V8 cleaning steps, you can keep your Dyson V8 vacuum running smoothly and efficiently for years to come.


If your Dyson V8 is having trouble issues like pulsing, not working, head not spinning, not charging, and red or blue lights blinking. Any of these issues come in your Dyson v8 vacuum cleaner then follow the above troubleshooting method according to your issue. Above mentioned troubleshooting steps will assist you in how to solve your issue. If your Dyson V8 issue is not resolved with troubleshooting steps, then you should contact dyson customer support.

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