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Wismec Luxotic BF 100W light is always on

Discussion in 'Liquid Feed APV Discussion' started by Honigschmidt, May 15, 2020.

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  1. Honigschmidt

    Honigschmidt Senior Member Verified Member ECF Veteran

    Nov 1, 2011
    Sacramento Ca
    Hi all,

    I am hoping maybe someone ran into a similar issue or knows a possible fix.

    I bought a Wismec Luxotic BF 100W around 2-3 months ago and it's been great minus what has been happening very recently.

    The light on the firing button continually stays on, and no matter what I do I can't seem to get it to turn off.

    1. Changed batteries
    2. made sure the outside and connectors were clean
    3. Tried different RBA's
    4. Opened up the circuit box and cleaned it with 100% alcohol (no juice buildup inside)

    I've been removing the battery when not vaping, but that's no way to keep on going. Anyone else run into this or have a way to resolve it?
    • Optimistic Optimistic x 1
  2. stols001

    stols001 Mistress of the Dark Nicotinic Arts Verified Member ECF Veteran

    Supporting member
    May 30, 2017
    Warranty it if you can would be my advice. Electrical stuff like that just makes me nervous. Sounds to me like you did more to it than I would have to try and diagnose/fix it before running off screaming into the night.

    Good luck

  3. AngeNZ

    AngeNZ Lunatic ECF Veteran

    Supporting member
    Mar 24, 2018
    New Zealand
    There's a know flaw on some luxotic bf mods:


    The pin into the 510 connector isn't welded, and juice can leak through here, and into the chip. This can cause auto-firing and possibly your problem with the LED remaining on. There is a fix/repair, if you want to try it:

    • Winner Winner x 2
    • Agree Agree x 1
    • Love Love x 1
  4. Pigs

    Pigs Ultra Member ECF Veteran

    Supporting member
    Jun 7, 2019
    Sydney Australia
    Best diagram/explanation yet. U rock
    • Agree Agree x 3
    • Love Love x 1
  5. Unforeseen

    Unforeseen Admin
    Commercial/Suppliers Asst. Manager
    Admin Verified Member ECF Veteran

    Supporting member
    Moved from APV and Mod Discussion to Liquid Feed APV Discussion
  6. TrollDragon

    TrollDragon ECF Guru ECF Veteran

    Dec 3, 2014
    NS, Canada
    Mine did the exact same thing, light stayed on and it would autofire. I took it all apart and no juice was found on my board either. As far as I could tell it was the board that was bad, so I left it apart in a box for a few months as I was going to convert it over to unregulated with one of Big Al's iSwitch boards.

    When I finally got it out to do the conversion, everything was working perfectly again with the stock board so I never did end up converting it. I do not trust this squonker at all now because of that issue, the problem hasn't showed up again but I won't take any chance leaving a battery in it unattended. I slide a thin piece of Mylar between the battery and the bottom post when I put it away on the shelf to keep it from conducting. I suppose I could just take the battery out but the Mylar is easy and all I have to do is pull that tab out to use the squonker.

    It's another poor JayBo/Wismec design, you could try leaving it like mine and see if it comes back or seek out a squonker that is much more reliable.
  7. zoiDman

    zoiDman My -0^10 = Nothing at All* ECF Veteran

    Supporting member
    Apr 16, 2010
    The Wismec Luxotic BF was Plagued with Leaking Problems. Because that Pin keeps the 510 Connector from turning. So every time you tightened an RDA onto the mod, it would put Lateral forces on the pin. And with it just being a press fit, the Seal at it would Many Times Fail.

    Just a Poor Design from Jump Street. At a Time when Everyone was Rushing to have a Squonker in their product line.

    All this seems to have been pretty much Fixed with the Wismec Luxotic Surface 80w.

    Wismec LUXOTIC SURFACE 80W Squonk Box Mod

    The Surface is my Daily Driver. And with the Exception of a Small Squonk Window in the Door, an Easy Fix with a Dremel or a Fine Fine if one wants to, it has worked Great for the last year or so.
    • Like Like x 1
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