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Dyson dc23 troubleshooting

My dyson started making a subtle grumbling noise and I turned it off and now it won't start again?

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  • 22 Answers

Make sure it is not clogged up with a large object first.

Posted on Dec 30, 2013


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You need to replace the worn belt. Here is the belt you need and a manual you can view which has instructions:

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SOURCE: terrible noise

That noise is the clutch. A very expensive part and very hard to replace. When a problem with the clutch happens it's generally not worth the time and money to replace.

I suggest getting a different type of vacuum, maybe a Miele or Sebo. With the money spent on one of those vacuums, you wont have problems like you would with a Dyson. And the cleaning power is so much more powerful than what any Dyson can offer.

Posted on Apr 13, 2010

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SOURCE: Dyson DC17 started making a louder overall noise

Hi there, from your description it sounds as though the machine has a blockage.

Try following the online diagnostics in the Support section on our website at Hopefully this will help you locate and remove the blockage causing this.

If you need any further help or advice, please contact our Helpline on 1866MYDYSON.

Kind regards

Dyson Customer Service

Posted on Apr 22, 2010

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SOURCE: Dyson just stopped.

have you changed the fuse in the plug

Posted on Jul 31, 2010

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SOURCE: dyson vac has started to

Does the whining noise come from the motor or the brush area?
If it's from the brush area, it's probably the belt. Check to be sure the belt is not worn. Sometimes belts will glass up and slip. Also, check to see if it is still completely on as it should be. You may need to replace the belt.

I woHope this helps, if it does, please place a vote for me. Thanks,

Handie Andie

Posted on Mar 28, 2011

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1 Answer

Why won't my Dyson DC23 turn on? I have checked the breaker and everything is in working order. It was turning on and off the last time I used it.

Hi Donna.

You've made a good start in making sure the outlet is working.
The manual can be seen here:
Dyson stowaway DC23 Helpline Manual The thing I pick up on in particular is your saying that the unit was turning on and off the last time you used it.

Based on a number of repair and troubleshooting forums, it sounds like the unit was overheating, or close to overheating before. There is a thermal-cut-out switch to keep the unit from overheating to the point of damage, or, worse, starting a fire. If the interlock has kicked in, it can take 30 minutes to an hour for the unit to cool enough to reset the switch.

Common things are common, and rare things are rare. With that in mind, the most likely causes of overheating are:
  1. Blockage somewhere in the vacuum line.
  2. The brush head being jammed / trying to turn when something is impeding it.
  3. Clogged filters.
First rule - unplug the vacuum when working on it. After that,
  1. Remove the various bits of tubing, u-bends, and such, and make sure that they are clear - no paper wads, hair clumps, or such. For long stretches of the tubing, a long bent coat hanger (marshmallow roaster configuration) can be used to gently probe the long stretches.
  2. Try to rotate the brush - remove any obvious yarn, hair, string, rubber bands, etc, built up on the brush.
  3. Wash the filters. They are meant to be washed every few months. If they haven't been, they may be so clogged that the motor isn't drawing in enough air to cool itself.
That should give you a good start. If none of this works, there are toll free numbers to talk to Dyson support in the manual.

Good luck, and Happy Holidays!

Nov 22, 2015 | Dyson DC23 Bagless Canister Cyclonic...

2 Answers

My dyson dc23 has recently started making a loud squealing noise. I have had it for about 3 years now with no problems. but it is so loud I do not even want to use it. I have checked it all over, no c

hi sophie, it's jack at dyson.

if your dc23 is making an unusual noise in use, this could be caused by something simple such as a part or seal being slightly out of position. the rotating brush bar in the turbine head floor tool is driven by the machine's own airflow, so if the brush bar won't rotate as fast as normal it sounds like something is also affecting performance.

this should be easy to resolve, and we may even be able to sort things out over the phone by talking you through some simple troubleshooting checks.

when you have your dc23 easily to hand, please give our experts a call directly on 0800 298 0298 (uk), 1-866-693-9766 (us), 1-877-397-6622 (ca) or 1800 239 766 (au).

we'll look forward to speaking with you.

Jan 22, 2015 | Dyson Stowaway DC23 Bagless Canister...

1 Answer

Machine shut off when suction release button was accidentally pushed. Now it won't come back on! What should I do?

Hi there, it's Jack at Dyson.

The issue you've described sounds very unusual. DC23 has a suction relief trigger underneath the hand grip of the wand handle, but this isn't connected to the vacuum's electrical components and shouldn't cause the vacuum to cut out in use.

However like most Dyson vacuums, DC23 is engineered to shut off for protection if it starts to overheat. This may occur if the machine is used when blocked, or if the filter is overdue for a wash. It should reset automatically after it's had around 2 hours to cool down, but to prevent it from happening again please follow the steps shown in our online support guide:

In normal use, we recommend washing the lifetime pre-filter at least once every 3 months using cold water without detergent. Allow at least 24 hours for the filter to dry completely before replacing it.

I'm confident following these steps will resolve the issue, but if you'd like further help or advice after giving this a try, please call our experts directly on 0800 298 0298 (UK), 1-866-693-9766 (US), 1-877-397-6622 (CA) or 1800 239 766 (AU).

Dec 08, 2014 | Dyson DC23 Animal Vacuum

1 Answer

Beater bars not turning

Hi there, it's Jack at Dyson.

I'm sorry to hear you're having difficulty with your DC23. This model doesn't include a traditional user-replaceable belt - the drive system is engineered to last for the lifetime of the machine.

If your machine is a DC23 Motorhead, please take a look at the video above to clear any obstructions from the brush bar and cleaner head, and to reset the machine.

If your DC23 includes an air-driven Turbine head, please follow the steps shown in our online Support guide to make sure everything is correct with your vacuum:

If you'd like some further advice from our experts after you've given this a try, please contact the Dyson Helpline directly - you can reach us on 0800 298 0298 (UK), 1-866-693-9766 (US), or 1-877-397-6622 (CA).

If a repair or replacement part is needed, we'll be happy to confirm if this is covered under your vacuum's 5-year warranty.

Best wishes,

Dyson Online Customer Service

Nov 18, 2013 | Dyson DC23 Bagless Canister Cyclonic...

1 Answer

With my Dyson D23, my carpet power head attachment runs intermittently until it stops working all together.

Hi Megan, it's Jack at Dyson.

I'm sorry to hear you're having difficulty with your DC23. From your question, I'm not sure if you own DC23 Motorhead, which has a motor-driven brush bar, or DC23 Animal, which has a turbine-driven brush bar.

You can find online troubleshooting guides for both of these machines on our Support site. I'd encourage you to select your machine from the list, then follow the diagnostic checks shown:

If you'd like further advice from our experts after you've given this a try, please call us directly on 0800 298 0298 (UK), 1-866-693-9766 (US), or 1-877-397-6622 (CA).

Best wishes,

Dyson Online Customer Support

Aug 16, 2013 | Dyson DC23 Bagless Canister Cyclonic...

1 Answer

Loss of suction on Dyson DC23

Hi there,

We are very glad to hear you were able to resolve the issue with your DC23. Thank you for taking time to share your resolution. If you have any questions, or need assistance at any point in the future, please feel free to call our Dyson Helpline at 0800 298 0298 (UK) or 1-866-693-9766 (US).

Best wishes,


Dec 12, 2012 | Dyson DC23 Bagless Canister Cyclonic...

1 Answer

The motorhead will not turn on with my dc23 vacuum there is no clog

Hi there,

I'm sorry to hear you're having difficulties with your DC23 Motorhead. Your cleaner is equipped with a safety device which shuts off the brushbar if it gets tangled with a rug fringe, shoelace etc. After making sure the brushbar is free of threads, hair or other obstructions, you'll be able to reset the cleaner and get the brushbar running again. The easiest way to do this is to follow the steps shown in our guide:

By following these steps, you should be able to resolve your issue without further assistance. However, if you've tried this and are still concerned, it's probably best if you get in touch with us directly. You can call us free on 08002980298 (UK), or 1866MYDYSON (US). One of our experts will be happy to run through some troubleshooting over the phone with you, and will be able to recommend the best course of action. If it's necessary to replace the Motorhead, this should be covered by our 5-year warranty, as long as the cleaner has been used in accordance with the terms and conditions listed in the user guide.

Kind regards,

Dyson Online Customer Support

Sep 15, 2011 | Dyson Vacuums

1 Answer

Our dyson vaccum is making a loud noise when we vaccum. (other than the normal loud noise) it is a dyson 23 plus..

Hi there,

Sorry to hear you're having trouble with your DC23 Plus. You might find it helpful to wash the pre-motor filter, and to check the cleaner for blockages. You can find a step-by-step guide showing how to do this in the Support section of our website:

You should find that this resolves the issue. However, if you've tried this and you're still concerned about the noise, please get in touch with us free on 08002980298 (UK), or 1866MYDYSON. We can run through some troubleshooting over the phone, and provide the assistance you need.

Kind regards,

Dyson Customer Service

Jul 25, 2011 | Dyson Vacuums

2 Answers

Hi, my puppy ate the unravelled cord of my Dyson DC23 at a point about 4 feet from the vacuum body. So I need to replace the entire cord & plug. Can I do this or do I need to buy a whole new Dyson...

Hi there,

Sorry to hear your DC23's power cord has become damaged. You won't need to replace the entire cleaner - please get in touch with us free on 08002980298 (UK), or 1866MYDYSON (US), so we can assist you.

Kind regards,

Dyson Customer Service

May 31, 2011 | Dyson DC07 Animal Bagless Upright Cyclonic...

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