Dyson V6 Flashing Blue Light [Here Is What To Do]

Is your Dyson V6 showing a flashing blue light? 

Don't Miss Out! ⏳ Click For Amazon's Exclusive Vacuum Deals!

Don’t worry, this usually indicates that the vacuum needs charging.

However, a flashing blue light can also show on your Dyson V6 for other reasons. 

Let’s look at what the reasons are and what to do next 🙂

Why Your Dyson V6 Blue Light Flashes

A blue flashing light on the Dyson V6 often indicates that the battery has no power or there is a temporary fault such as a blockage. When the vacuum is charging, the light should show as solid blue. Once the Dyson V6 is fully charged, the light will turn off. If the battery flashes blue while charging or when fully charged, it may be faulty. 

The light can flash blue on the Max button itself:

  • Slow flashing blue →  Low battery warning
  • Fast flashing blue → No power, temporary fault (e.g. check filter or for blockages)

Or on the main body:

  • Flashing blue: No power, charge battery

How To Reset The Blue Blinking Light on a Dyson V6

Now, it is worth noting that, regardless of whether the flashing blue light is showing on the Max button or the main body, the troubleshooting steps will be the same.

The only difference is that if the light is flashing blue on the Max button, then you may be able to still use your Dyson V6 for a little longer as long as you turn Max power off.

Here is what I recommend you try to get rid of the light (in this exact order):

1. Charge The Battery

Unless you read the user manual (who does these days? :)), you’re probably unaware that your Dyson V6 should be fully charged for 3.5 hours whenever the battery runs out.

If the battery is not properly charged, it will run out of power faster, causing the unpleasant flashing blue light to display more frequently.

Keep in mind that if the ambient temperature is below 5 °C (41 °F), your Dyson won’t charge. This is intended to safeguard both the motor and the battery.

Charging Dyson V6

2. Try a Different Socket

If you see that your Dyson V6 is flashing blue while charging, rather than showing a solid light, try plugging the charger into a different socket.

You can also try to plug a different appliance into the previous socket to rule out whether you have a socket issue or if the problem is related to your Dyson V6.

3. Clean The Battery Connections

These connectors enable electricity to move from the battery to the main hand unit, powering the vacuum cleaner. If these connections are dirty, it can affect the performance of the machine. 

To clean the battery connections of a Dyson V6 vacuum cleaner, follow these steps:

  1. Remove the battery from the main hand unit
  2. Take a cotton bud and apply a small amount of isopropyl alcohol to it
  3. Use the cotton bud to gently clean the battery connections inside the main hand unit, making sure to remove any dirt and debris
  4. If the connections are still dirty and difficult to clean, or you simply do not have isopropyl alcohol at home, you can try a tiny amount of WD-40 

Dyson V6 battery connectors

4. Let Your Dyson V6 Cool Down

Your Dyson V6 can flash blue due to it overheating.

Most Dyson vacuums feature an internal safety system that stops the motor when the unit starts to overheat.

Overheating is usually caused by clogs, such as a full dust cup or a dirty filter. That is why it is really important to carry out regular maintenance on your machine. 

Unplug your Dyson V6 and let it cool down for at least 40 minutes.

Then, remove all possible clogs (see steps below) to prevent overheating from happening again.

5. Empty The Dust Bin

As a rule of thumb, you should empty your vacuum’s dust bin after each use or, at most, when it reaches the “Max” line:

Dyson V6 Max line

A full dust bin can put a strain on the motor of your Dyson V6, causing it to overheat, so make sure you regularly empty your machine

6. Wash The Filter

Dyson recommends cleaning filters at least once a month using cold water.

Just like with any other blockage, clogged filters can cause your Dyson to overheat.

Blockages will result in a fast flashing blue light.

To clean the filter of your appliance:

  1. Disconnect the appliance from the charger
  2. Locate the washable filter in the top of the appliance and lift it out
  3. Wash the filter with cold water, running the water over the outside of the filter until water runs clear
  4. Squeeze and twist the filter with both hands to remove excess water
  5. Let the filter air dry for at least 24 hours
  6. Once the filter is dry, insert it into the top of your Dyson V6 and make sure it is seated properly

If you often use the appliance in “Powerful suction” mode or vacuum fine particles, check and clean the filter more frequently.

7. Clean The Wand and Vacuum Head

To clean the wand:

Simply detach it from your Dyson V6 and tap it against a trash can, or use a long object to go through the wand and remove stubborn clogs.

To clean the vacuum head and brush roller:

  1. Remove the brush from the head by turning the retainer cap on one side of the brush head to the left. Use a bottle opener or similar tool to assist in turning the cap if needed. 
  2. Pull the brush out of its housing. If necessary, twist the brush to help it come out easier.
  3. Use scissors to remove any hair or debris that is wrapped around the brush.
  4. Unlock the retainer clamp on the back of the brush head using a screwdriver or a quarter. Turn the clamp to the left so that the channel is parallel with the leading edges of the housing.
  5. Lift up on the piece to remove it, revealing any accumulated dust and debris. Use a butter knife or similar tool to clean out this area, including the intake tube.
  6. If necessary, further disassemble the brush head unit using a T8 Torx screwdriver. Remove all screws and separate the unit to replace or clean parts as needed.
  7. To reassemble the unit, first set the hook on the left side of the piece and lay it down into its original position. Use a quarter or screwdriver to clock the clamp to the 12:6 position.
  8. Install the brush by inserting it back into the housing and applying pressure. It may take a few spins for the brush to sync back up with the housing.
  9. Use a bottle opener or similar tool to lock the clamp back in place. Turn the tool a 2 degree turn so that the channel is clocked at the 3:9 position.

8. Replace The Power Cord

Your Dyson V6 power cable may be faulty, preventing the unit from fully charging.

Before buying a new cable, try reconnecting it to your Dyson and moving it around and gently twisting it in spots to see if holding the cord in a specific way makes it work.

That will be a good indicator of whether the power cord is the culprit!

I suggest you buy a cable from Amazon to save some money, since it will be easier  for you to return it if the replacement doesn’t fix the flashing blue light problem.

Here is one that has been highly rated:

9. Replace The Battery

Finally, you may simply want to try and replace your Dyson V6 battery.

Dyson’s 2-year warranty covers replacement of the battery, so if your machine is under 2 years old, you will be able to get a new battery for free.

If your Dyson is no longer under warranty, you can purchase original batteries from the official Dyson website, but beware that these are very expensive!

Alternatively, you can find compatible batteries on Amazon, such as this highly rated one:

Once you receive your new battery, replace it following the steps shown in the video below:

Dyson V6 Flashing Blue Light When Charging

As mentioned before, your Dyson V6 should not display a blinking blue light when charging. The light should become solid after a few seconds.

If that is not the case, there may be an issue with the battery itself, the power cord, or clogs within the machine.

What If The Above Fixes Did Not Work?

If none of the above steps address the flashing blue light issue on your Dyson V6, the machine most likely has a more serious problem.

In this case, I encourage you to take advantage of the Dyson 2-year limited warranty, which includes all labor and parts required to keep your machine in good working order throughout the warranty period.

To take advantage of the warranty, you will need to produce evidence of purchase. If you do not have your proof of purchase, the warranty will start 90 days after the date of manufacture according to Dyson’s records.

The warranty will not cover your Dyson V6 if any of the following conditions apply:

  • The vacuum was bought from unauthorized vendors
  • You didn’t perform any maintenance in line with the Dyson Operating Manual
  • The machine was used to clean rental or commercial premises
  • The device had unapproved parts installed
  • Faults developed as a result of external sources such as weather and electrical outages
  • The vacuum had previously been fixed by unauthorized individuals

Parts that are affected by normal wear and tear, such as brush bars and filters, will also not be covered by Dyson’s 2-year warranty

Contact Dyson customer service for further assistance.


I hope the above steps helped you troubleshoot the flashing blue light on your Dyson V6! 

Sometimes, this is such an easy fix and all you have to do is give your machine some TLC 🙂

Don’t forget to take advantage of Dyson’s 2-year warranty if you suspect that the issue is beyond what you can do to fix it.

You can contact Dyson here.