Question about Northern Industrial Tools Welding Tools

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Turn on power and hook up air, ground cable connected, squeeze trigger on torch, no response

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  • odmann Aug 01, 2009

    Northern Industrial 375 plasma cutter

    All appears good.

    Turn power on the fan starts as it should the power light comes on

    I have taken all connections loose and cleaned and put them back on

    I believe I may have a broken wire inside the torch lead.

    Is there a way to check it without pulling the wires all out.

  • odmann Aug 01, 2009

    It has worked fine the last three days. Pull up on the job site today and nothing.

    Normally when you squeeze the trigger the work light comes on but today nothing.

    Thought something else might be wrong so I plugged it into My Lincoln 8 and struck and arc and the low voltage light came as it should have. So I figured the internal board was probably good.

  • odmann Aug 01, 2009

    Did that too.

    Brought it back to the shop and plugged her up still nothing



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First thing is the obvious, are the connections good and tight. Is there power to the machine and everything look good. Which machine are you using?

If you need further help, I’m available over the phone at

Posted on Aug 01, 2009

  • 3 more comments 
  • Craig Butler
    Craig Butler Aug 01, 2009

    Open the red handle up and be very careful and take a look for the wire.

  • Craig Butler
    Craig Butler Aug 01, 2009

    Are there any fault lights on showing any problem?

  • Craig Butler
    Craig Butler Aug 01, 2009

    All that is in the head is the main + wire for the output. You may have something going on inside. Are you sure the AC supply is 240 volts?

  • Craig Butler
    Craig Butler Aug 01, 2009

    Can you check the 240volt AC from the Lincoln?

  • Craig Butler
    Craig Butler Aug 01, 2009

    Well, that's it then, you're going to either have to get in and look at things or have a tech look at it. I may be able to help you if you see something...



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