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Miller Syncrowave 250 Repair Help!

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  • Miller Syncrowave 250 Repair Help!


    I have a Miller Syncrowave 250 (serial number KF925533) that I bought new back in 1995. It's worked well throughout the years, but I am now having a problem with the amperage control. When using tig negative or stick DC current, it starts out around 100 amps regardless of how low I set the amperage control knob -- at least, I'm guessing it's around there because my welder does not have an amp meter on the panel.

    That being said, everything else works alright. I can go to higher amperage just fine, but I can't go to low amperage.

    I tried calling the Miller tech support line, and the tech said to check the hall device. Does anyone know how to check it? I would like to know what other people think the issue might be.

    Last edited by HarleyRider; 05-08-2014, 02:30 PM.

  • #2
    It means that your machine is running correctly, and your amp probe may be out to lunch. 35 amps running AC stick, I dont know what miniature AC rod would even start at 35 amps