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Inverter stick welder welding rod sputters and sticks

Hi,
My Inverter stick welder is not performing the way it should. The start up arch is fine but as soon as I bring the rod closer to the workpiece it start to sputter and stick, it does not matter if it is on the highest setting it still does it. The weird thing is it does not do it so often at night when it is cooler, feels like there is a loose connection somewhere that prevents the continues power from the welder to come through. I don`t know if it might be the capacitor bank? Any suggestions? please help
Regards
Bastiaan

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  • Bruce Hathcock May 11, 2010

    What rod you burning? 6011 7018? what amp rating? size of rod? 1/16 1/8 3/13? are the connections clean? is the ground clamp bolts good? is the rod holder clean? if so then unplug it wait five minutes arc the ground and rod holder next short the plug from the ground to the hots so it will kill the capactors use a screw driver to do this with your glove on. then pull it apart and blow off the cooling fan with air check the capaciter bank and check each wire and spade connectors look for any wire that has the rubber on the wire. let me know if you find it. also check the contats on the inside.

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  • 19 Answers

It sounds like the rod that you're using is too big. If it is a 110 volt machine, and you're using a 1/8 rod...Then the rod is too big. Try a 3/32 rod.

Posted on Aug 06, 2009

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