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  1. #1
    Join Date
    May 2019

    Ten-High Laser Engraver - Laser not firing, now arcing

    I recently received my 50w laser engraver, after getting it set up it ran perfect for 3 days then the laser stopped firing. The tube in the back was lighting up (purple) and the head was moving with the program but no laser was firing into the mirrors. Tonight I opened the back and hit the test button, the connection from the board to the tube was arcing against the side of the machine. I have contacted Ten-High but do not have much faith in a quick response.

    Anyone have any incites?

  2. #2
    Junior Member
    Join Date
    Jun 2014

    Re: Ten-High Laser Engraver - Laser not firing, now arcing

    I think it is possible that your Focal lens has a problem.

  3. #3
    Join Date
    Nov 2008

    Re: Ten-High Laser Engraver - Laser not firing, now arcing

    On the high power wire going to the tube I’d glob caulk around the
    connector to fully insulate it. Also make sure the machine has a good ground.

    Sent from my iPhone using Tapatalk

  4. #4
    Junior Member
    Join Date
    Aug 2018

    Re: Ten-High Laser Engraver - Laser not firing, now arcing

    Hello! Obviously you have a loss in the high voltage cable. It is important to be able to discover if it is from the cable or from the tube.
    I recommend that you change the high voltage cable (normally it is the red color) or that you cover it with a silicone hose, that is a quick solution if it is the cable.
    If the voltaic arc is produced from the tube, I recommend coating the place from where it comes out with liquid silicone.
    Another option is to see if the high voltage cable is damaged somewhere and cover the damage with high tension tape.

    Good luck!

    I am an experienced laser technician.
    User of laser cutting machine Buchicnc EVO 14.
    User of laser recorder EVO 5.
    CNC router user, with 3 x 2 m table Auto Tool Changer
    I usually design my own laser files designs for laser cutter & laser engraver with CorelDraw, Laser Cut 5.3, RDWorks V8.
    Laser cutters & CNC Routers BuchiCNC USA
    CNC Router ATC
    EVO 14
    Soy tecnico de laser con experiencia.<br />Usuario de maquina de corte laser Buchicnc EVO 14.<br />Usuario de grabadora laser por fibra EVO 5.<br />Usuario de router CNC, con mesa de 3 x 2 mts Auto Tool Changer<br />Diseño mis propios archivos maquinas de corte laser con CorelDraw, LaserCut 5.3, RDWorks V8.<br /><a href="https://buchicnc.com" target="_blank">Estas son mis maquinas de corte láser BuchiCNC</a><br /><a href="https://buchicnc.com/producto/maquina-de-corte-laser-evo-14/" target="_blank">EVO 14</a><br /><a href="https://buchicnc.com/producto/maquina-de-corte-laser-evo-5/" target="_blank">EVO 5</a><br /><br /><a href="https://buchicnc.com/en/" target="_blank">Laser cutters &amp; CNC Routers BuchiCNC USA</a><br /><a href="https://buchicnc.com/en/product/cnc-router-mr-atc-6-standard-line/" target="_blank">CNC Router ATC</a><br /><a href="https://buchicnc.com/en/product/laser-cutting-machine-evo-14/" target="_blank">EVO 14</a>

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