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  1. #1
    Join Date
    May 2010
    Posts
    1

    Exclamation Troubleshooting Miller Spectrum 2050

    Mabey you guys can help me with a problem im having with my plasma cutter. As the title states I have a Miller Spectrum 2050 and am having some problems.

    The problem is that it will not start an arc when I pull the trigger anymore. The power light is on, the ready light is on. I have checked the air pressure, its good the only thing that i can think of is that mabey the stinger is bad. One other thing is that when i used to power it up the fan would come on for a second or two and the stinger would let pressure out which it does not do anymore.

    Any help you could give would be great.


    Thanks

  2. #2
    Join Date
    Mar 2008
    Location
    Dallas,Tx
    Posts
    172

    Default 2050

    After you have verified the pressure is where it should be with air flowing - you can force this condition by turning current to zero - check for 400 volts on each of the two large electrolytic capacitors in the top of the machine. Be careful, there are lethal voltages here. weldersales

  3. #3
    Join Date
    Mar 2010
    Location
    Ceres, California
    Posts
    358

    Default

    Check the trigger first and its connection in side the case.
    Does the air flow in gas test?
    Loosen the retaining cap on the torch 1/4 turn and see if it fires.
    It maybe best to take it in. these are not easy machines to troubleshoot.
    Glenn 300 amp stick
    Millermatic 35
    L-tec plasma

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