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Author Topic: Shark NV680UKT no Brush rotation.  (Read 320 times)

Offline TV Man

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Shark NV680UKT no Brush rotation.
« on: November 14, 2019, 05:18:36 PM »
Hi.

Im about ready to knock this one on the head.
The brush has no voltage going to it.
There is 240V ac going in to the head pcb but im struggling to measure components as the pcb is covered in white silicone.
The white leds illuminate so some of the pcb is working but no volts at brush motor,
Has anyone come across this and found out what fails on the pcb.
Had this once before but fixed it using the head from a scrap machine.


Online ryevac

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Re: Shark NV680UKT no Brush rotation.
« Reply #1 on: November 14, 2019, 08:54:19 PM »
No sorry, never had one in. I wouldn't be able to stop myself ripping all the silicone off and trying to find the problem....

What voltage are you expecting to find at the motor terminals ?
The only way to fail is not to try.

Offline TV Man

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Re: Shark NV680UKT no Brush rotation.
« Reply #2 on: November 19, 2019, 11:18:03 AM »
Morning Ryevac,

I gave them the machine back unrepaired, I was amazed that you can only buy a complete head unit for around 70.00 there are no spare parts as such available.

Online ryevac

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Re: Shark NV680UKT no Brush rotation.
« Reply #3 on: November 19, 2019, 10:22:40 PM »
Aye ok, would be interesting to see a faulty one.
The only way to fail is not to try.


Offline MVOlga

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Re: Shark NV680UKT no Brush rotation.
« Reply #4 on: November 21, 2019, 11:18:41 PM »
Shark - as an American machine - is problematical for parts supply.

Online ryevac

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Re: Shark NV680UKT no Brush rotation.
« Reply #5 on: November 22, 2019, 12:16:28 AM »
Avoid in that case...
The only way to fail is not to try.

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