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Challenger 172

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  • Challenger 172

    I've got a Millermatic Challenger 172. When I pull the trigger on the gun you can here the gas flow start and then stop, it's not a constant flow. It's like an air hose that has been shut off from the rest of the system and then open the other end to relieve the pressure.

    Does anybody have any ideas where to start to troubleshooting this?

  • #2
    Does it repeat exactly the same every time you pull the trigger? Does the arc start and stop at the same time that the gas starts and stops?

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    • #3
      Mac702, I just read your post and a very bright light bulb turned on I'm my head. Whenever I was checking for the gas I only did it when I had it set to fan only but when I set the voltage to 1 the gas flows. Thanks for the response.

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      • #4
        Is the gun seated all the way in?

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