My Dyson dc18 had the same symptoms. The wand worked well and the floor bar had no suction. After removing pieces & shoving my fingers into the machine (no blockage) I found the suction pipe rotates between two positions (floor and wand). It looks like a piece of plastic broke on the outside housing, so it no longer rotates positions when the wheels are raised or lowered. My son found we can move the suction by sliding a finger into the mechanism behind the wheel cover, and rotating the plastic piece clock-wise or counter clock-wise until it locks into position. It's a big pain but it works for now. I wish I could find a replacement piece online. Patty
I am ordering Micro switch Cam Assy and housing to try and repair this myself as there are no service centers remotely near me. My floor suction works the piece that makes the switch from Hose use to floor is busted. I fixed it once, but its finally broke. This may be what happened to yours as well. I have DC-18 model.
ordered parts from vacuum-direct.com, total cost less then $18 + shipping
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Want wont ****, or it wont turn off...here is what we did....
We used a bungee cord, hooked it up to the bottom red pedal and attached the other end of the bungee cord to the handle on the top of the vac filter so the that the red pedal would be forced to stay in the upright position so we could use the wand. the plastic piece came off and nobody at dyson seems to know how to fix it...
then, one day our wand suction would not turn off and no suction would come from the beater, well there is a little ball inside the vacuum behind the base of the hose, take off the hose, use your finger (it wont bite you) and rotate that white ball so that you can't see a hole. it should be solid, this will turn off the suction from the wand hose back toward the beater bar.
better than nothing.
No "guy at Dyson" it's the plastic piece inside that's broken. there's no clog. We need to be able to find out how to replace this part that is breaking causing no suction from the bottom, only from the wand. Part number.. is what we need and how to buy it.
I have the same problem. The plastic piece broke that switches the vacuum from floor cleaning to wand cleaning. I haven't found a way to fix it yet. If you find a way, please let me know.
Thanks,
Debbie
Hi its Darran at Dyson.
Its possible that there is a blockage in the base of the hose or the main duct which may prevent the suction switching from the hose to the base. We would recommend checking your machine for blockages by following the blockage procedure outlined in your user guide ot in the Support section on our website at www.dyson.com.
I hope that this information is useful to you.
Kind regards
Darran
Dyson Customer Service
My vacuum has been like this for over a year - the plastic part that moves the suction tube between floor suction
There's NO BLOCKAGE ! It's the small clear wheel where the gray lever hooks to it. The plastic piece has broken off! So when you try to switch from floor to wand the piece is broken off that turns the cylinder. The previous comment from lady_tech_e is right. In order to switch from floor to the wand you have to manually turn the clear wheel so the opening is at the floor suction or for the wand suction.This seems to be a common problem with this model Dyson. Now it's such a pain to use my Dyson! :-(
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Ok i have the answer for all those who either has suction at the hose and not at the floor or the other way around and its not a blockage its a broken grey plastic piece that turns the clear plastic wheel which in turn turns and pushes in a white plastic cylinder to shut off or on the suction to one side of the ball or the other you can see this if you pull the lower hose connection off the clear wheel can be seen on the left side between the part that holds the back wheels and the rest of the vac it has a channel in it where a pin or something of that sort moved in and out in order to turn it you can by hand turn it counter clockwise to get suction to the hose or opposite to get the floor the part you would have to replace is Iron Under Carriage Assembly Part Number:DY-91237601
I agree with Sam Herrin, Pam Conway and lady_tech_e above. I saw a broken gray plastic arm that used to hold a white roller. That roller traveled into a slot in a clear plastic round piece that changed (rotates) a suction valve from floor to wand when the handle is placed upright. That gray plastic piece broke one day when the vacuum fell to the floor. The gray, thin plastic arm with roller is not very robust. The whole under carriage assembly can be purchased for under $70 (Jan 2019). See picture.
Thanks for all the help from fixya members.
FIXED - My vac wasn't blocked, as such! The inside of a Bic pen (the plastic bit with the ink in) was wedged in the suction pipe, preventing the vac switching from wand to floor. The wand worked fine, but the floor suction wouldn't engage.
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I had the problem, the wand suctioned great but the vac for floors had little suction. The fix was to take the wand completely off the vacuum and I found something stuck there, now works great. Karen.
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no wand suction
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