Question about Dyson DC07 Bagless Upright Cyclonic Vacuum

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No suction when vaccuming floor

Sounds like there is suction, put hand at the bottom of unit no suction, took basket off and there is suction to the basket. Checked the gaskets and they are both at the top and the bottom of the unit. The bar at the bottom is rotating and the and the air in the basket is moving. There just isn't enough suction to pick anything up off the floor.

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  • Dyson Master
  • 18,391 Answers

There could be a few things that would cause your Dyson to have no suction. I will give you detailed step by step instructions along with pictures on how you can diagnose this.

Possible Problem #1. The first problem is extremely common. In fact, we probably see between 2-3 of these problems every week. It mostly happens after people take the bottom plate off the vacuum in order to clean the roller brush. What happens is when they reinstall the bottom plate, they put it on on incorrectly. It's actually very easy to do. When the bottom plate (soleplate) is installed wrong, there will be a gap between the bottom plate, and the agitator housing, or the purple tray the roller brush sits in. This will cause the soleplate to be a few inches higher off the ground then it should be, preventing the brushes from even hitting the carpet. This makes it seem to the user that vacuum has lost suction power because without the brushes hitting the carpet, the machine will not pick up very well on floors, but when they use the attachment hose there's plenty of suction power.

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


no suction when vaccuming floor - 9739790.jpg
Here's another picture, that is the RIGHT way to install the soleplate:


8b953d0.jpg
I would say probably 6 times out of 10 this is the problem with the customers machine. If you checked the soleplate and it is installed correctly, move on to the second possible problem.

Possible Problem # 2. Turn the vacuum cleaner upside down so the brush roller is facing upwards. I found the easiest way to work on it is to put it on a counter top or work bench. On the left hand side behind the roller brush you should see a flexible transparent hose that goes from the motor to the agitator housing. This hose actually has a lot of strain on it when the vacuum cleaner is in the reclined position. When the first few series of Dyson DC07 models came out, they didn't make this hose long enough, so when the vacuum was in the reclined position, it would put too much stress on the hose, and cause the hose to actually crack, usually right where the end of the hose that goes into the agitator housing. Examine your hose and see if you have any visible cracks in this hose. If you need to you may just remove the entire hose assembly by pulling on it. It will easily come right out of the machine so you can inspect it better. Here's a picture of where the hose usually cracks:

This would also explain why the vacuum works fine when using the attachments, but not on the floors. The attachment hose uses a different suction channel, and when the machine is in the upright position, no suction goes through this hose. If you do find a crack in this hose, the this hose needs to be replaced. Here's a direct link to that hose on our GoVacuum website.
Dyson DC-07 & DC-14 Upright Replacement Internal Hose Part # 904219

Possible Problem #3. I would suspect that this may not be the problem, but if neither of the solutions above worked, then try this one. Dyson's in general are prone to clogging. There are a few clog ports throughout the vacuum cleaner that were added there due to Dyson prototypes becoming clogged at these points. Here are pictures of how and where to check for these clogs. Simply remove the suction port coversno suction when vaccuming floor - 8b33cd4.jpg these locations:


8b33cd4.jpg

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Posted on Dec 03, 2012

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Posted on Jan 02, 2017

#1 Taper
  • 1040 Answers

SOURCE: Dyson all floor vaccum no suction when hand held

You need to replace the belt that drives the brush on the underneath side of the vacuum. To do this, you need to flip the vacuum over and remove cover plate. There you will find the broken, or stretched out belt. Remove the brush and place the new belt on the chrome axle. Then put the brush on, rapping the new belt around the brush as you put the brush back in place.

Jim

Posted on Jun 11, 2009

askdyson
  • 2572 Answers

Official advice and support for Dyson technology

    Verified Fixya Pro

    SOURCE: Our Dyson Animal DC28 is

    Hi there,

    Sorry to hear you're having difficulties with your DC28. If it doesn't seem to be picking up as well as usual, it's possible that there's a blockage in the system, and you may need to give the filters a wash. The easiest way to check for and remove any blockages is to follow the steps shown in our online support guide:

    http://www.dyson.com/support/help.asp?article=1231&product=DC28-ANIMAL

    The correct way to wash the filters is shown in the video below. Under normal use, this should be done at least once every 3-6 months. Use cold water without any detergents, and ensure the filters are totally dry before replacing them - this may take up to 24 hours.

    http://www.dyson.com/support/help.asp?article=1456&product=DC28-ANIMAL

    Hopefully, by clearing any obstructions and washing the filters, 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. One of our experts will be happy to run through some troubleshooting over the phone with you recommend the best course of action. You can call us free on 1866MYDYSON - or if you email your details to askdysonUS@dyson.com, someone will be in contact as soon as possible.

    Kind regards,

    Jack
    Dyson Online Customer Support

    Posted on Aug 30, 2011

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