miller dynasty 400 weak arc start

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    • June 13, 2025 at 9:41 pm #53470
      Participant
      Gary Moore

        i’m curious why my Miller Dynasty 400 has weak arc start on tig with 1/16-inch tungsten and 15 CFH argon, Can you give me a solution to this?

      • June 14, 2025 at 3:20 am #53472
        Moderator
        Michael Watson

          Bump amps to 140 on your Miller Dynasty 400, use 2% lanthanated tungsten, boosts arc start.

        • June 14, 2025 at 10:55 am #53473
          Participant
          Mary Long

            Check gas flow on your Miller Dynasty 400, use 20 CFH argon, improves arc start.

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