Question about Dyson Slim DC18 All Floors HEPA Bagless Upright Vacuum - Iron/Titanium/Yellow
It sounds like The undercarrage assembly needs replacing on your machine..
If you stand behine the machine and look at the undercarrage you will see a small arm on the extream left hand side that extends from the same part that holds the back wheels.
On the end of this arm thier should be a small knob that turns the internal valve from hose to floor suction. if it is broken it won\'t change over and will either suck only thru the wand or the brush bar depending on when it broke
Bellow are two pics the one of a new undercarrage assembly ( top one)Screw driver pointing knob out
the bottom one withthe knob missing
040820111232.jpg (20.74 kB, 448x336 - viewed 509 times.)
Posted on Jan 19, 2013
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Posted on Jan 02, 2017
Hi its Darran at Dyson.
From your description of the problem, it sounds as though the bleed valve is activating which only happens when there is a blockage.
We would recommend following the full blockage through as outlined in your user guide or in the Support section on our website at www.dyson.com.
Dyson Customer Service
Posted on Apr 22, 2010
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
Posted on May 23, 2010
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