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Hi, I had some good assistance on these forums last time I had to meddle with my Dyson, so I’m hoping someone will be able to help me out this time!
My Dyson recently died on me during use. It has had a long life, and I have to admit it has been used to suck up plaster dust plenty of times, which it’s not supposed to do, oops! I never washed the filters out as frequently as I should have, but it did get done a few times. Not that long ago it had all the suction of an asthmatic hamster, and I had to rake a load of chinchilla fur out of the middle of the cyclone!!
After doing that, it improved dramatically, but I knew it would need a proper going-over soon. Unfortunately, before I got to that point, it died on me while I was using it 🙁
I was using it to suck up some plaster dust again (naughty!) when I suddenly noticed the temperature of the air around the cleaner became much, much cooler than usual (it used to chuck out a lot of heat when sucking). Uh-oh, I thought, and sure enough, a few seconds later it cut out.
I haven’t been able to get it going again, which leads me to believe it’s not just the filters. Trouble is, how do I know what needs to be replaced? If it’s the power switch or the thermal cut-out itself, those can be replaced cheaply, but I don’t want to go and buy a new motor if that’s not the problem.
How can I check each part to diagnose whether it’s failed or not? There are plenty of guides to getting the motor out, but from looking at it, how would I know whether the whole thing is shot or just the cut-out?Re: Dyson DC07 cut out in use: help diagnosing what’s failed
Hi Pistol,
Sounds like the root cyclone is blocked. Once blocked the whole unit needs to be replaced. This was a common fault on the DC07, even just with years of use the performance declined massivley, but after plaster dust is really ineveitable. All this clogging up reduces the airflow to motor so it cannot get rid of the heat properly, thus causing it to trip. This will kill the motor eventually.
If the filters are not kept spotlessly clean dust will get into the motor and can cause problems. If the motor needs to be replaced they are available from the link below, they are not massivley expensive. 😉
Root Cyclone unit:
http://shop.ukwhitegoods.co.uk/Vacuum+C … clone.htmlMotor:
http://shop.ukwhitegoods.co.uk/Vacuum+C … Motor.htmlAny other DC07 parts are available here all at excellent prices:
http://shop.ukwhitegoods.co.uk/Vacuum+C … +Range.htmHTH,
Oliver.
Re: Dyson DC07 cut out in use: help diagnosing what’s failed
Thanks for your reply Oliver.
I think the motor has probably gone, then. The root cyclone unit was pretty gunked up, I’ve given it a good clean but the Dyson still won’t come back to life.
In the meantime, we’ve been given a DC05 cylinder unit. Now I’m pretty sure it won’t use the same motor, but am I right in thinking that the thermal cut-out device is the same? It certainly seems that the replacements you can buy are for the DC05 and DC07. What I was thinking was that I could take the thermal cut-out from the DC05’s motor, and fit it to the DC07’s motor. That way I’d know for certain whether I needed a new motor, or just a new cut-out.
I’m not in any hurry to do this though, after all we do now have a functional Dyson – I’d just like to get the upright DC07 going again at some point.Re: Dyson DC07 cut out in use: help diagnosing what’s failed
Dyson motors come with the cut out fitted and are not available as a spare part. It`s highly likely that the thermal cut outs are the same and can be interchanged, but there is no guarantee 😉
Don
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