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Dynasty 300SD stuck in stick mode

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  • Dynasty 300SD stuck in stick mode

    Hello, new here. Joined because my Miller 300 SD just decided to stop working for me. I used it last week, no problem. Turned it on last night and it's in stick mode, and won't let me switch to Tig. If I try to push any of the tig function buttons, HELP12 displays, which means that function is not applicable to the selected mode. I've always used tig, never stick. I tried the reset settings, and it looked like it worked, but it's still stuck in the same place. Any ideas...?
    Thanks!

  • #2
    And I just verified lockout mode isn't on. What's wrong with my machine?!

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    • #3
      [QUOTE=speedysprocket;321280]And I just verified lockout mode isn't on. What's wrong with my machine?![/QUOTE

      9 times out of 10 its the front panel card thats pooched, PC3, had this happen more than a few times. Really tough to verify even by a tech. Pretty much ever time this has happened, its been this display/programming card. This machine isn't particularly error sensitive like the others

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      • #4
        Might want to check the glass fuse, left side center board, doult if this is the problem, but you never know...

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        • #5
          Opened it up last night and verified all plugs were connected and tight and checked the fuse- nothing looked bad or out of place...
          Any other troubleshooting I can do?

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          • #6
            Nope, Front panel issue.

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            • #7
              How do I get a new one?

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              • #8
                Unkown as you never supplied your serial#

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                • #9
                  Sorry-
                  LE388827

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                  • #10
                    Parts are obsolete, surprise, surprise

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                    • #11
                      So... anything I can do? I pulled the board out and nothing looks wrong with it visually, as in nothing is burnt up...

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                      • #12
                        Verry seldom does anything LOOK burned up, but if you get a low powered microscope, one of the linears will be damaged at the pins. Reaaly tough machine to troubleshoot....

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                        • #13
                          What do you mean by a linear?

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                          • #14
                            Originally posted by speedysprocket View Post
                            What do you mean by a linear?
                            ,

                            Surface mounted 4/6/8 pin linear / flat programed and unprogrammed transistors/scrs, and other electronics

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                            • #15
                              So try to reflow the solder or you're saying the actual components could be bad?

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