SOLVED Cordless V7 won't work when you attach vacuum head | Dyson Community
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I purchased the V7 about 8 weeks ago and have been really impressed. But it has now stopped working as soon as any of the attachments are attached. The main unit it fine, power suction all fine, until any of the attachments are connected. I have done everything suggested in other discussion threads on this topic, dismantled the unit and cleaned all the connections, but it still doesn’t work. Any tips?