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Thread: welder problems

  1. #1

    Default welder problems

    I have a maxstar 200 sd and a dynasty 200 dx and I have installed a 220 outlet in my garage. it is the style of outlet that a lot of dryers use - 4 pin. when i plug in either welder and turn them on they make a weird noise buzzing type, and the number -2 flashes on the display. I have already toasted one power inverter. I am not sure what is going on

  2. #2
    Join Date
    Dec 2007
    Location
    alabama
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    749

    Default

    while a very light sounding hum is normal a help 2 is not. Did you use the red wire by chance?
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  3. #3

    Default welder problems

    not sure what you mean the red wire. in the plug i connected the red, black, green, and white wires to their terminals. the noise is very loud and not normal and continues after it is turned off unplugged and then slowly dies down until it stops.

  4. #4
    Join Date
    Jan 2008
    Posts
    328

    Default what happend to the owners manual?

    You are not supposed to use the red wire. That is for 3 phase!

  5. #5
    Join Date
    Feb 2006
    Location
    Northern CA, Shasta CO.
    Posts
    149

    Default

    Very important question, do you actually measure 230V/240V across the two designated hot leads of the receptacle you put in?

  6. #6
    Join Date
    Dec 2007
    Location
    Los Angeles
    Posts
    2,859

    Default

    Quote Originally Posted by desertranger View Post
    not sure what you mean the red wire. in the plug i connected the red, black, green, and white wires to their terminals. the noise is very loud and not normal and continues after it is turned off unplugged and then slowly dies down until it stops.
    As mentioned the red wire on the welders is for 3-phase power
    Since you are using it on Single phase you only use the black,white and green wires.

    The 4-wire receptacle you have is a single phase 120v/240v circuit: 120v for lights, timers on the dryer and 240v for the heating elements.

    On the Dryer plug in this application for the welding machine you Only use the 2 straight blade and rounded( ground) terminals NOT the L shaped terminal.

    The white and black can go either straight blade
    Last edited by Broccoli1; 02-05-2013 at 09:17 PM.
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  7. #7

    Default welder problems

    i have hooked up the plug as directed with three of the four terminals without the red wire. I is doing the same thing. Will hooking up all the wires on a single phase source damage the welder ? Any one know what the -2 means ? When I turn it on the first thing it displays 243 891 then -2 and right display is blank. then it goes to the normal operating display.
    Last edited by desertranger; 02-05-2013 at 07:25 PM.

  8. #8
    Join Date
    Oct 2004
    Location
    Edmonton, Alberta
    Posts
    7,731

    Default

    Quote Originally Posted by desertranger View Post
    not sure what you mean the red wire. in the plug i connected the red, black, green, and white wires to their terminals. the noise is very loud and not normal and continues after it is turned off unplugged and then slowly dies down until it stops.
    Time for an electrician, cause what you've done is entirely stupid, no wonder why you've roasted machines.

    UNPLUG EVERYTHING and phone up someone who has a clue!!

  9. #9
    Join Date
    Feb 2013
    Posts
    9

    Default

    Sounds like you might have hooked up the power in your shop incorrectly, but I have no idea.... The red wire is only used for three phase , that's all I know.

  10. #10

    Default welder problems

    the power in my garage is fine. at the time i did not realize the plug configuration was different for single and 3 phase. now i see my mistake.

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