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Thread: Miller 180k no arc - low or no voltage to receptacles

  1. #1
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    Miller 180k no arc - low or no voltage to receptacles

    Miller model Blue Star 180k welder/generator - gas engine runs well, stinger quit arcing during a job. Seems like less than four volts AC at the receptacles. Any ideas?
    Last edited by Rod Stuck; 04-07-2020 at 11:04 AM.

  2. #2
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    Re: Miller 180k no arc - low or no voltage to receptacles

    Miller Blue Star 180K - If anyone knows how I may access/purchase a shop service manual or troubleshooting/parts manual for this unit it could save me the steep learning curve. Thanks in advance.
    Last edited by Rod Stuck; 04-07-2020 at 11:04 AM.

  3. #3
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    Re: Miller 180k no arc - low or no voltage to receptacles

    Miller web site. Search for BLUE STAR 180K
    https://www.millerwelds.com/support/manuals-and-parts

  4. #4
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    Re: Miller 180k no arc - low or no voltage to receptacles

    Thanks, I will check it out.

  5. #5
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    Re: Miller 180k no arc - low or no voltage to receptacles

    cwby: Thanks, I did find some general information in the operator manual at millerwelds.com. I have tested the fuse and the diode bridge for the exciter circuit. These test ok, so I must go deeper and check the rectifier windings and brushes/slip-rings.

  6. #6
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    Re: Miller 180k no arc - low or no voltage to receptacles

    Checked brushes, exciter ohms, etc. and everything fine. Finally found the cause of the outage: Vibration had rubbed two wires through their insulation, shorted, and perhaps fried something on the circuit board.

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