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  1. #1
    Join Date
    Jan 2014
    Posts
    8

    Default Syncrowave 350 just quit

    Hi all, I am hoping someone may be able to help, I have an older 350 syncrowave TIG machine and now all runs but no arc, a very weak one is barely visible, foot pedal checks out, coolant is pumping to torch, all connections checked and tightened continuity checks done, does the same in AC, electrode positive or electrode negative, registers 72 volts on the front gauge, points reset, not sure what else except circuit board and I am not sure if that can be tested. Any help would be greatly appreciated. Thank you

  2. #2
    Join Date
    Oct 2004
    Location
    Edmonton, Alberta
    Posts
    7,470

    Default

    OK, I'm a Miller CST tech. I go through the online tech manuals to find the problem and hopefully answer it quickly and correctly. Course that doesn't happen all then time.... Onan engines for example...


    But I can't even start without the SERIAL number

  3. #3
    Join Date
    Jan 2014
    Posts
    8

    Default Syncrowave 350 just quit

    Serial number is KC214479 Thank you

  4. #4
    Join Date
    Oct 2004
    Location
    Edmonton, Alberta
    Posts
    7,470

    Default

    Going to have to try it on stick. I think your conduit in your tig torch is pooched

  5. #5
    Join Date
    Dec 2013
    Location
    At the epicenter of the Green Mountain Range in VT
    Posts
    251

    Default

    Quote Originally Posted by cruizer View Post
    OK, I'm a Miller CST tech. I go through the online tech manuals to find the problem and hopefully answer it quickly and correctly. Course that doesn't happen all then time.... Onan engines for example...


    But I can't even start without the SERIAL number
    How does one access online tech manuals?

  6. #6
    Join Date
    Jan 2014
    Posts
    8

    Default

    Quote Originally Posted by cruizer View Post
    Going to have to try it on stick. I think your conduit in your tig torch is pooched
    even when water is pumping to torch? Is that mean the torch is bad? sorry I am new to TIG and these machines,

  7. #7
    Join Date
    Oct 2004
    Location
    Edmonton, Alberta
    Posts
    7,470

    Default

    Well yes, conduit tends to wear out, water flowing or not, torch will still wear out. I mean you have 72 volts when you hit the pedal of open circuit voltage and very little to no output. So test it in stick mode, that'll tell us right away.

  8. #8
    Join Date
    Oct 2004
    Location
    Edmonton, Alberta
    Posts
    7,470

    Default

    Quote Originally Posted by Willie B View Post
    How does one access online tech manuals?
    Hmmm, you spend all your life fixing welders and spend literally thousands of dollars taking factory courses. Thats how you access tech manuals.

  9. #9
    Join Date
    Jan 2014
    Posts
    8

    Default

    Quote Originally Posted by cruizer View Post
    Well yes, conduit tends to wear out, water flowing or not, torch will still wear out. I mean you have 72 volts when you hit the pedal of open circuit voltage and very little to no output. So test it in stick mode, that'll tell us right away.
    OK, now how do I do that? Thank you

  10. #10
    Join Date
    Feb 2012
    Location
    Wa
    Posts
    531

    Default

    He is saying to try to use the machine to stick weld. This will verify the power source is functioning properly.

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