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syncrowave 300 low weld output

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  • syncrowave 300 low weld output

    I am trying to repair a syncrowave 300 which has very low weld output (will not melt stick electrode). I have tried this machine with various settings (hi/low, AC/DC, with panel or remote control) and always the same thing. However when using the start current I can get plenty of power out, so the main power components are probably ok. I am guessing it is something in the regulation circuit and already tried swapping PC1, PC2 & CR1 from a working machine. Also the hall effect is giving a proper voltage signal representing the output current.
    I am out of ideas here, any suggestions?

  • #2
    any help would be much appreciated

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    • #3
      Originally posted by noloafing View Post
      I am trying to repair a syncrowave 300 which has very low weld output (will not melt stick electrode). I have tried this machine with various settings (hi/low, AC/DC, with panel or remote control) and always the same thing. However when using the start current I can get plenty of power out, so the main power components are probably ok. I am guessing it is something in the regulation circuit and already tried swapping PC1, PC2 & CR1 from a working machine. Also the hall effect is giving a proper voltage signal representing the output current.
      I am out of ideas here, any suggestions?
      How do u check the hall effect and output current? i have a problem with mine it runs wide open!!!

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