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  1. #1
    Join Date
    Jul 2014
    Posts
    3

    Question 301G Trailblazer not welding

    Hello everyone, I just bought a used 301g trailblazer and used it once for about 5 minutes letting my 7 year old try to weld with some 3/32. It worked well. I tried using it about two weeks later and it has 0 output. It has about 400hrs on it and already had a pcb2 put in it at 350 hrs. both pcb1 and pcb2 look fine but I am not sure what it would be. If anyone could tell me what to look for or what it might be that would be great. I am not to familiar with this kind of stuff. It has not been boosted at all. It is in an enclosed trailer and in between the 2 weeks I didn't use it, I puled the trailer to the scales to get a weight but the road was pretty smooth.

  2. #2
    Join Date
    Oct 2004
    Location
    Edmonton, Alberta
    Posts
    7,736

    Default

    Just a guess, but perhaps 1 of your brushes is stuck, and/or really dirty slip rings.

    I soak a piece of emory fine grit with brake clean and swish back and forth on each slip ring to clear the crap off while running.

  3. #3
    Join Date
    Jul 2014
    Posts
    3

    Default

    image.jpgThanks for your suggestion, I cleaned the rings and made sure the brushes were not stuck and I still have no output. I do have ac power but no dc. I am going to try to post pics of pcb1 and 2 to see if anyone can see something I am missing

  4. #4
    Join Date
    Oct 2004
    Location
    Edmonton, Alberta
    Posts
    7,736

    Default

    And the front panels selector switch is in the up (live) position?

  5. #5
    Join Date
    Jul 2014
    Posts
    3

    Default

    Yes it is.

  6. #6
    Join Date
    Oct 2004
    Location
    Edmonton, Alberta
    Posts
    7,736

    Default

    tough one to call, best take it in. something to do with the power board though, what does the display say for volts

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