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The Dyson V6 Absolute is a cordless, bagless cleaner released in September 2014, with HEPA filtration that captures allergens. Used for all floor types and weighs 5 pounds. Identified by model number SV09.

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0V missing at the brush head motor

The brush head has stopped working. I have cleaned all the removable parts properly and put it back together. However it still fails to spin. The vacuum motor is working fine!

So, next I took the main body to pieces to reveal the PCB. Using my multimeter I found there was 21V across the vacuum motor terminals. But when I went across the brush head supply terminals I get nothing. However if I go on the positive terminal of the brush head and the negative of the vacuum motor I get 21V.

i’m aware that there is some sort of overload to protect the brush head motor in the case of drawing high currents, and im assuming it’s in the negative line, but where is it? And can I reset or replace?

Rispondi a questa domanda Anch'io ho questo problema

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Did you find a way to fix it or to only replace the motor part in the brushhead ?

da

I have the same problem.

I have zero volts on the brush head supply terminals and have cleaned and tensioner the connectors but still no power.

When the brush head is connected and I pull the trigger the vacuum starts then stops then starts again and continues with suction but the brush hasn't moved.

When I pull the trigger without the brush connected the vacuum starts with no stop and start again. Could this indicate a sensor stopping the power for some reason?

da

After assuming the power to the brush wasn't being given for some reason I manually rotated the brush and found it a little stiff even though there was no hair or the like tangled in it. I tried the power again and noticed it moved slightly then stopping again. I repeated a few times and it has started to work again.

I am now of the opinion that the power isn't supplied if the brush head motor is too stiff due to a fault or tangle, so after cleaning all electrical connections try loosening the resistance of the brush motor by giving it a few turns.

I have just put a tiny drop of wd40 to the brush drive bearing and it's working great. Fingers crossed, if it happens again I will be thinking it's the brush head rather than the supply which is disconnected at source to protect the vacuum.

da

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3 Risposte

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Hey Justin

I was having the exact same problem. I had it torn down to the point that you have it and was also confused as to why I was getting no voltage to the points that go to the power head. I even had an argument with the Dyson service tech over the phone, I was getting to the point where I was about to do my own soldering on the board to just put direct power from the battery to the power head brush….before I did this I decided to double check what the Dyson service guy told me, I cleaned up all the contacts with contact cleaner, even gave them a little brush with a piece of emery cloth. I did notice that the two contact points from the main motor body to the clear bin were pushed in a little so I slightly bent them out more so it would make a more solid contact. Low and behold it worked, the brush started spinning again. I feel really sheepish since the Dyson guy told me 9/10 times this was the problem but I refused to believe him since I was getting no voltage at those two points, anyways give it a try.

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I have the same problem.

I had zero volts on the brush head supply terminals and have cleaned and tensioned the connectors but still no power.

When the brush head is connected and I pull the trigger the vacuum starts then stops then starts again and continues with suction but the brush hasn't moved.

When I pull the trigger without the brush connected the vacuum starts with no stop and start again. Could this indicate a sensor stopping the power for some reason?

After assuming the power to the brush wasn't being given for some reason I manually rotated the brush and found it a little stiff even though there was no hair or the like tangled in it. I tried the power again and noticed it moved slightly then stopping again. I repeated a few times and it has started to work again.

I am now of the opinion that the power isn't supplied if the brush head motor is too stiff due to a fault or tangle, so after cleaning all electrical connections try loosening the resistance of the brush motor by giving it a few turns.

I have just put a tiny drop of wd40 to the brush drive bearing and it's working great. Fingers crossed, if it happens again I will be thinking it's the brush head rather than the supply which is disconnected at source to protect the vacuum.

Questa risposta è stata utile?

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I think that the Main Body PCB does not deliver the voltage if it does not detect a load - e.g. when a crevasse tool is connected. I found that when I used the mini-brush (also motorised) it started to spin. This meant that the main unit was okay and the fault was with the brush head.

I dismantled the brush head and found that one of the wires connecting to the motor, through the articulated joint had broken. There was enough play in the wire to allow me to solder the broken wire back together. I'm not sure how long this will last though as the wire moves around when the head rotates. I guess at some point I will have to replace the whole wire.

I have also had the problem whereby the dust accumulates at the contacts from the main unit to the dust canister. A pair of tweezers and some rubbing (isopropyl) alcohol soon sorted that.

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Justin sarà eternamente grato.
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