As it was cutting out before it stopped working all to gether, it most likely isnt the switch but the motor.
The motor has a built in over-current trip to protect itself (and you if it seriously overheated and caught fire). This normally automatically resets itself, however if the motor has just about had it, the moment it is switched on, it just trips again. Eventually, the motor wont do anything.
The primary cause of motors overheating is that the filters are not cleaned or replaced frequently enough. Dont be fooled by Dyson's "lifetime filters". They need to be regularly cleaned and replaced when necessary.
Replacement motors are avaible on eBay for about £25, however repalcing one requires good DIY skills and tools.
Have a look at
www.dysonmedic.com and see if you feel you can tackle it yourself. If not, take it to a repair shop or call the Dyson helpline.
After
We have the same problem. We used to solve it by thoroughly cleaning the filter system but it is shutting off now and the filter is clean
I have the same problem. after vacuming a room or so it turns off by itself. I have cleaned all the fliters and checked all the lines. Mine is three years old but for the price it should last longer then these. What can I do?
barbara
Mine cut off. I cleaned the filter but it won't come back on.
Ours switched off unexpectedly a few days ago whilst in the middle of use. I will clean the filter and report back to let you know if this makes any difference
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