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Plasma cutter stopped working

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  • Plasma cutter stopped working

    I have a Miller Spectrum 375. It has suddenly stopped working for no apparent reason. It was working the last time I used it. I start it just like I always have; I check the air pressure; everything appears normal, but when I pull the trigger, nothing happens - no arc. Is there a particular problem that frequently crops up with these machines?

  • #2
    Probably trigger circuit in the torch is open.

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