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millermatic 250x problems

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  • millermatic 250x problems

    I have a millermatic 250x mig welder I purchased several years back, new. Having problems with the output voltage suddenly raising very high while welding.. normally have it set around 19-20v but spikes really high causing a huge arc.. I voltmeter tested the output of +26v with load (arc) and higher without a load. Any idea what might be the problem? One minute it will work fine and the next it acts stupid.. any help will be appreciated..

    John

  • #2
    Hello John

    Did you figure what was the problem with your millermatic250x?
    I think I have the same problem with my millermatic250x.

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