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When the cable is unwound and lifting by the handle it separates too easily and comes off . The hose is attached ok and you hear a click as the handle is pushed onto the body .

Not quite sure what's broken or needs adjusting if anyone has any pointers.

ryevac, thank you sir. I wouldn't have thought to look at the base for a label!
I can confirm (with a magnifying glass) on the base of my head it is says 16.2V @ 35W. That's just over 2 amps in my case.

Thanks again, it means I only need to drop the supply a couple of volts.
Sorry for delay, phone never stopped yesterday.

label on the head quotes 16.2v @ 20w (1.234a)

stripped mine, 16v on motor  1.15a.
My v6 is the older type head however, just noticed the pics of yours

The max switch on main unit makes no difference to head supply either, always 16v.
Correct, the main unit doesn't supply a voltage without the head attached.
This is either current detecting circuitry, or a type of open collector circuitry where the head motor is the load in a drive circuit.
Thank you very much ryevac, I await your response.
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Sebo Vacuum Cleaners / Re: X4 suddenly stopped working..
« Last post by MVacs on July 15, 2018, 02:08:07 PM »
The V6 uses a 21.6V battery, I believe that is the voltage supplied to the vacuum motor only in Max mode.
I would guess that the voltage supplied to the motorised head would be considerably less given that it runs at a constant steady speed regardless of the mode chosen.

I could drop the voltage to say 12V or 9V... or 5V
But I don't really know what I'm shooting for as I only had access to a test unit for a few minutes.

If someone with a unit in front of them would be good enough to run a multimeter over a connected motorised head, I'd be most grateful.
i thought the v6 was 18v, if so and you want to drop it to 12v you could add a resistor in series (as you probably know )

You can use ohms law to calculate, but a quick method ... Vdrop req divided by I (current) required = R
then work out the power rating, v x I =Pw... but a hidden red herring is not to work out the power rating after the volt drop, but the supply voltage to be safe
readings will vary as the head motor becomes under load with carpet resistance.
eg 6v drop at 1 amp = 6 ohms ? P=18w

I am a little rusty with formulae so i will apologise now for any errors
I am building a fishing rod ring wrapper ( i do have a commercial one too ) i used a sewing machine motor but even with a variable rheostat i couldn't get motor speed down low enough ( my fault for getting the gearbox calcs wrong ) so i split the motor open and revealed a couple of 1 ohm resistors in series with the brushes, i increased these to 10 ohms 1 watt and got the min motor speed perfect.

Another point i noticed, run a v6 on the bench, whilst on remove the head - the cyclone motor still runs - then reattach the head. head wont run until switched off and back on.
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