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  1. #1
    Join Date
    Jul 2014
    Posts
    3

    Default XMT 304 HE.LP-8 Error code

    I was given an XMT 304 and is has a he.lp-8 error code. Miller said it was either the hud, Display board or the Control board . I am hoping somebody knows how to trouble shoot these items and show me a pic of the location for them. I do have a spare i can try different parts in, but not sure which one is which. If anybody could help it would greatly be appreciated.

    Thanks
    Mark

  2. #2
    Join Date
    Mar 2010
    Location
    Ceres, California
    Posts
    358

    Default

    Make sure your weld diodes are not shorted. Try an ohm test weld terminal to weld terminal. First, check resistance across
    weld output receptacles
    (Ohms position). Resistance
    should be greater than 100
    Ohms. A typical reading on a
    good unit would be 620 Ohms
    10%. Connect (−) negative
    meter lead to (+) positive weld
    output receptacle and (+)
    meter lead to (−) weld output
    receptacle. If the meter leads
    are reversed you may get a
    flashing O. L depending on
    the meter you use.
    Then check the weld terminals and make sure they are not melted and the feed back wires are tight and connected.
    Also remove rear grill and look inside. should be able to see transformers inside the wind tunnel. Make sure there are no burnt wires or connections.
    After this you may need to take it in.
    Glenn 300 amp stick
    Millermatic 35
    L-tec plasma

  3. #3
    Join Date
    Jul 2014
    Posts
    3

    Default Thanks

    I will try this when I get home, thanks for the info

  4. #4
    Join Date
    Oct 2004
    Location
    Edmonton, Alberta
    Posts
    7,470

    Default

    Help 8 is 98% the front display ( programming glitch) card. Help 6 is always the top control board, Help 7 is always the side output board. Never seen the output diodes fail but still posible...

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