Question about Dyson DC25 Vacuum

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Wirring noise when machine is turned off as the motor slows down.

When the machine is turned off, as the motor slows, it makes a loud whining noise more than it used to.
Is this normal or is something wrong ?
The machine is 14 months old and been cleaning carpets about once every 6 days for about 20 mins each time.
Hopefully this is normal usage.Have you had this question before ?
I was told the you also have a phone number for the
listening analysis test ? Is this so ?
Hope to hear from you soon.
Thanks for your help.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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chrispurs1
  • 372 Answers

SOURCE: suden loud noise when vacuming carpet

Hi.

Check that brush roller (beater bar) is free to turn with no obstruction.
If it is still noisey after doing this try this site for Dyson repair manuals.

http://dysonmanuals.inc.io/

Chris.

Posted on Nov 19, 2007

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Vac Belts
  • 701 Answers

SOURCE: Older Dyson 07 Animal, loud ratcheting noise on carpet setting

That is an indication that the belts are worn, stretched or broken. You simply need to replace the belt. Here is a link to the belt(s) you need and a manual you can view:

Dyson DC07 Belts and Manual

Posted on Dec 05, 2009

VacuumRepair
  • 438 Answers

SOURCE: roller does not turn

Hello,

When a Dyson DC07 makes this horrible grinding noise, it can only mean one of three things.

The Dyson DC07 uprights use a clutch mechanism to control the brush spinning when you change the floor / carpet switch. When you hear this grinding noise, it's actually the clutch slipping because it can not spin the roller brush. Most other uprights use a belt to spin the roller brush, and if something is stuck in the roller brush it will cause the belt to break. Dyson's however will make that awful grinding noise rather then breaking the belt, and will only make that noise if the roller brush can not spin.

When you hear this noise on a Dyson, it can only be 1 of 3 things. Either your clutch mechanism itself has gone bad, or the roller brush itself was not properly put back into the vacuum, or the brush itself has gone bad.

I'll be happy to walk you through step by step on how to diagnosis this problem and find out which one of these two parts is bad on your vacuum2_bing.gif.

Step 1. Make sure the vacuum is unplugged. Then turn the vacuum upside down so that the brushes are facing up. It's easiest if you put the head of the vacuum on top of a bench, or counter top. This is how the vacuum should look:

b45ef25.jpg
Step 2. You see on the bottom of the vacuum 3 plastic screws that are usually the same color as the vacuum cleaner2_bing.gif. If you're vacuum is purple, the screws will also be purple. Use a flat head screwdriver, and turn each of the 3 screws a half of a turn, counter clockwise to loosen then. After each screw has been turned (you don't need to remove the completely, just a half of a turn is all), simply pull upwards on the bottom plate to remove it.

13bda0c.jpg

Step 3. You should now be able to see the roller brush exposed. You'll now need to remove the roller brush. This will take some patience, and some work in order to get this brush out of the vacuum. There is a special tool that has been designed to help you get the brush out easier. I would try getting the brush out first before buying this special tool. The easiest way is to use a flat head screw driver and pry the belt up while pulling up and out on the brush. With some patience and some maneuvering, you'll be able to get the brush out of the vacuum. Here's where you should put the flat head screw driver on the brush:

9665ae3.jpg
Step 4. Once you get the belt out of the vacuum cleaner, it's time to test it. Use your finger tips to hold just the end caps on the very end of the roller brush. While holding just the end caps, use your thumbs to try and spin the roller brush. Does the brush spin freely? It should rotate completely several times on each spin. If the brush doesn't spin, or you feel some kind of resistance to the brush spinning, then this indicates that your roller brush has gone bad. Here's a picture of how to test the brush:

3a76171.jpg
If the roller brush went bad, then you'll need to purchase a new one. Here's a direct link to the roller brush your machine uses on our website GoVacuum:
http://www.govacuum.com/dysondc07.html


If the brush however was able to spin freely, and it spun multiple times, this indicates that most likely the brush was not put back in properly, or it could be a little more serious of problem in the clutch itself has gone bad. The clutch replacement repair is a much longer, more challenging repair to do. There is a very helpful video on how to replace the clutch below so that you may follow step by step instructions on how to change it. It was really helpful for me the first time I did this repair.

I think more likely however it's probably that the brush was not put back in properly, and this caused the brushes not to be able to spin, which would cause the clutch to make that horrible noise. Make sure that the roller brush is pictured like the brush above, you may also want to make sure that the bottom plate is put on correctly, this could also prevent the brush from spinning:

Here's a picture of the WRONG way to install the bottom plate. Notice the gap in between the two housings:


9739790.jpg
Here's another picture, that is the RIGHT way to install the soleplate:


8b953d0.jpg



If you need to replace the clutch, here's a direct link to the clutch your Dyson DC07 uses on our website:
http://www.govacuum.com/dydcclasfore.html

Here's the video on how to replace the clutch:


When you hear that grinding noise, it can only be one of these three problems. This clutch mechanism was so problematic that Dyson removed it on the second series of the DC07 models. I hope that this repair was helpful in diagnosing your problem. If you have any questions about the diagnosing, or the clutch change, please feel free to use the Clarification Request form here on the Fixya repair page. If this was helpful you, please be sure to rate my repair as helpful by clicking the thumbs up icons.

Thank you,

Chris J.
GoVacuum

Posted on Apr 07, 2010

  • 23 Answers

SOURCE: Makes a whistling sound when turned on

bearings in the brushroll might be siezing.
If you start snapping belts, change the brushroll.

Posted on Jul 05, 2010

Testimonial: "Thank you for the feedback!! I think it is about time to replace the brushroll anyway- it is 6 years old and has had alot of use. "

  • 1 Answer

SOURCE: When it is vacuuming the carpet, it makes a loud

Can you be more specific? "part left on the porch" Mine is having the same problem.

Posted on Jul 07, 2010

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Trying to find out what is wrong depends on what kind of noise it makes, i.e. high squeal, vibration, whining and where it comes from.

Here is a webpage with troubleshooting advice on noise in vacuum cleaners. Hopefully you should be able to track down the problem. http://www.ehow.com/how_7493926_fix-noise-vacuum-cleaner-motor.html

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