Dyson filter soiling issue

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matt8808

Well-known member
Joined
Jul 26, 2013
Messages
600
Location
Teesside - North East - UK
My daily driver has recently been a DC25.

To paint a quick picture of use... our house is half hard flooring and half carpet.
The carpet is all less than a year old and my second vacuum is a Kirby sentria II so the carpets are pretty clean... no deep down filth.

I bought the Dyson new roughly 2 months ago maybe?

I check the flters regulalrly, maybe once a week, and last week decided they could use a wash....

Washed and dry I put them back in the machine.

Since then I vaccumed the house twice. Nothing major, the bin was less than half full with cat hair and general surface dirt. When I checked the filter I found it was a LOT more soiled than I expected. It was probably about this dirty when I washed it from two months use....

matt8808-2014090114272400128_1.jpg
 
I've then vacuumed the car and the filter looked like this!!

All seals are correctly fitted, the cyclone shroud is clean and the inner tube where the fine dust collects is clear too. I've looked down the cyclones from the filter location and they are clear.

Anybody have any idea why its soiling so quickly?

matt8808-2014090114365406769_1.jpg
 
I'd expect some soiling but it seems like a tad much. Is there any source of fine dust like ash, carpet fresh? Additionally did you use any sort of detergent on them that could impede airflow and cause less efficient filtration? The first picture looks a bit excessive for 2 months at that. I usually use my Dysons maybe once a week, but it takes a long time to get that bad.

Is your Kirby height set properly? I've learned on Rainbow demos I did that a lot of people set them too high or low, so they skip across the carpet or dig in, resulting in improper cleaning. Not really the vacuum's fault, just not using it properly. It could be leaving dirt behind if it isn't set right.
 
My DC25 animal from 2011 did the same, and we also owned it from new. Make sure the shroudd is clear of any dirt, debris and hair. The cyclones must need cleaning, typical, just look inside the bottom, and there must be loads of dust, my DC14 even has a lot of dust after being used a few times, and has a very large amount because we used it for plaster. Are the seals in correctly?
 
My parents have a DC18 which I think has the same cyclone top and bin setup. Their pre motor filter which sits at the top of the cyclone assembly get dirty like that and fluff on it too. I've check their cyclone and bin for blockages etc...all looks ok. I personally think the cyclone setup is not as efficient as some of the other Dyson Cyclones on other models. Same with the DC24 too.

Does your shroud filter collect dirt as you vacuum? That could impede some of the airflow making the smaller cyclones less effective, just a suggestion.
 
The filters very rarely get dirty on de rooted DC07 machines, and the cinetic. Plus the filters are washable, and this problem does not affect the performance, and people goo over years without washing filters, because they don't know they exist.
 
I've never had to do this on my DC 41 and DC 39 and to be honest I never watch the filter on them The dc 25 cyclones are not efficient and so to be honest quite crap lol
 
Hi Matt8808,

That's normal I'm afraid. I've had the same thing with the Dyson DC24 that I have. Had the same with the DC04, 05 machines and the DC16 and DC35 handhelds. A good wash should help maintain the machine but I feel they never 100% restore the efficiency of the filters which is why Dyson had to replace my DC24 filters when it went in for a repair after 4 years use.

This is what the filters on mine typically look like after 1 months or so usage and it's always been that way. So that's why Dyson didn't quite tell us the truth all these years.

First pic is from use in the family home where other members had long hair.

blakaeg++9-1-2014-17-23-22.jpg
 
I would suggest checking the seal at the bottom of the inner cyclones, where it meets the flap.

Apart from that, get on the phone to Dyson and have them send you out a new one! This is not what you have paid for.

Albeit I do think that the DC07, DC14, DC41 seperate dirt better.

From experience filling a DC25 anywhere past the fill line seems to increase filter clogging big time! Not like with the older machine.
 
Here's wot they look like in the flat I live in now. It's almost a talc powder consistency.

I now have new filters in my machine so that's why the HEPA filters looks different from the previous pic.

blakaeg++9-1-2014-17-25-51.jpg
 
The dc 25 cyclones are not efficient and so to be honest qui

I'm going to remind people of this statement the next time they're singing the Dyson praises.
 
Yeah, well I agree with him on at but I am still a Dyson fan, they are alright if you just wash the filter every six months and dont forget.
 
Even Vax Air machines have better cyclonic separation than that! I've only had to vacuum my vax filters twice since owning it for 3 months.
 
hi-lowswitch98,

I used the Mach Air a few times and it really impressed me. Its my favourite cyclonic vacuum cleaner so far. That short hose at the bottom could have been better but Vax can be forgiven and the machine does not tip over when pulled.

The sound level is very pleasant too.
 
Blakaeg which model did you use? I've used the Air Original/Reach & the Air3 Reach models. They are ll very impressive & the latter has been a trooper in clearing up mess when there was bedroom moving going on.
 

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