XMT 304 Issues
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Thread: XMT 304 Issues

  1. #1
    Join Date
    Jan 2008
    Location
    PNW/Kodiak
    Posts
    183

    XMT 304 Issues

    Finally got my connex wired for 240V via a subpanel off of my main house circuit. GFCI 50AMP breaker.

    I've used an XMT for years, just not this particular machine. Picked this one up off of eBay, from a reputable seller. Works great in pulsed MIG (with an Optima). Set my machine up for Lift Arc TIG last night, worked great - but had a sporadic issue.

    Was initiating an arc, and all of a sudden the machine starting chattering (contactor) - bead was horrible, and it was almost "split" lengthwise in appearance. Stopped welding immediately, and cycled the machine on and off. Didn't occur again for the remainder of the evening. Also, I've noticed that the machine will "tick" softly while it's sitting idle. I've never heard this noise with the other XMTs that I've used, though they were also being used in a noisier environment.

    I checked that the lugs on the main board were within torque spec as soon as the machine arrived, however - I'm going to recheck things today. Also, I will inspect the power contactor, to ensure that the springs aren't gummed up with junk.

    Any other suggestions?

    Thanks,

    Jake
    Do you really know all of the work that goes into getting that fish onto your plate?

  2. #2
    Join Date
    Jan 2008
    Location
    PNW/Kodiak
    Posts
    183

    Re: XMT 304 Issues

    Figured it out...



    It now welds like butter.

    Do you really know all of the work that goes into getting that fish onto your plate?

  3. #3
    Join Date
    Mar 2011
    Location
    Western Washington
    Posts
    4,663

    Re: XMT 304 Issues

    Ahhhh the old bad connection trick ��

  4. #4
    Join Date
    Jul 2018
    Location
    Cumbria, UK
    Posts
    667

    Re: XMT 304 Issues

    simplest explanation is generally correct most often.

    Glad you got it fixed great machines.

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