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Author Topic: Vac sys vacuum pump doesn't run.  (Read 2070 times)

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Offline Rob Grierson

  • Posts: 4
Vac sys vacuum pump doesn't run.
« on: May 09, 2017, 07:53 PM »
I have had my vac sys since they came out last year and have used it a lot but not daily. One day it was working then the next nothing. The motor just hums. It doesn't spin up at all. Anyone else have a problem with their unit?

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Offline neilc

  • Posts: 2399
Re: Vac sys vacuum pump doesn't run.
« Reply #1 on: May 09, 2017, 10:15 PM »
I have one but have not had any problems with the pump.  Suggest you reach out to Festool directly via phone

Offline josephgewing

  • Posts: 115
Re: Vac sys vacuum pump doesn't run.
« Reply #2 on: May 10, 2017, 12:34 PM »
Sometimes this is because the motor capacitor has gone bad.
Joe Ewing

Offline Rick Christopherson

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  • Posts: 1567
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Re: Vac sys vacuum pump doesn't run.
« Reply #3 on: May 10, 2017, 05:21 PM »
Before returning the pump, maybe try to see if you can turn the motor just a little bit (can you touch the cooling fan with something?). It's a fluke, but a motor can come to a stop directly between poles and not be able to turn until it moves just a little off center.

Otherwise, yes, the capacitor is most suspect.