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  1. #1
    Newbie Member
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    Flex 3401 intermittently working

    I've had my Flex 3401 for about 4 years and it has been flawless until today. It would spin when laid flat on it's back but when I pick it up to put a pad on the paint either vertically or horizontally, it shuts off. Occasionally, I could shake it and get it to turn on, but then it would stop.

    I suspect it either the trigger or electronic module that plug into teh trigger. I took the handle apart and did not see anything obvious other than some dirt and dust from over the years.

    Has anyone had this issue? I don't want to just randomly start replacing parts.

    Thanks

  2. #2
    Super Member Evan.J's Avatar
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    Re: Flex 3401 intermittently working

    Sounds like brushes to me
    Official Detailing Team Member of Air Force One
    Flex 3401 / Flex PE8 / Rupes 21 / G110v2 / GG6" / Rupes 75E / GG3"
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  3. #3
    Regular Member
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    Re: Flex 3401 intermittently working

    I have the same issue with mine that I purchased not too long ago. I've only used it twice. I need to contact AG about it.

  4. #4
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    Re: Flex 3401 intermittently working

    Contact Powerhouse Distribution. Perhaps send it in for a rebuild.
    https://powerhousetoolparts.com/

  5. #5
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    Re: Flex 3401 intermittently working

    Thank you guys for the advice. I ordered new brushes and a new trigger because it's relatively cheap compared to sending it in or buying a new one. I'll keep everyone updated.

    Ted

  6. #6
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    Re: Flex 3401 intermittently working

    I wanted to provide follow up if anyone is interested. After some research and analysing the problem, I began to suspect the cord. I found a 10 foot 14 gage replacement electrical cord at a hardware store. The original cord appeared to be a 16 gage. I replaced with the new cord (it will fit and is slightly larger).

    The buffer works like a charm again. I believe that the copper may have become work hardened from a lot of use and cracked inside the insulation. Replacing the cord only took a few minutes.

    I have received the replacement brushes and trigger just in case. I will keep them for the future instead of replacing them now.

  7. #7
    Super Member VISITOR's Avatar
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    Re: Flex 3401 intermittently working

    ^ glad to hear everything has worked out okay...

  8. #8
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    Re: Flex 3401 intermittently working

    Good to hear Ted. Thanks for the update.

  9. #9
    Super Member Kamakaz1961's Avatar
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    Re: Flex 3401 intermittently working

    Thank you for the update. I will keep this in mind in the future in case something happens to my Flex in the future. At least you have new brushes and a trigger.
    CJ
    2013 Mustang GT w/Track Pack 6-Speed Manual
    Save the Manual!

  10. #10
    Regular Member Eric M.'s Avatar
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    Re: Flex 3401 intermittently working

    Had the same thing happen to me on Friday. Thought brushes however they were perfect, was thinking switch however I decided to do a little research and found this thread. Checked the cord and it seemed a little damaged where it meets the polisher, cut off 8 inches and reconnected it, runs perfectly! Love this site!

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