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Millermatic 200 will not weld

I have a millermatic 200 that will not weld. It dosent seem to have enough power to the tip.The power supply is good. The wire feed is good.

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In put power supply jumper not set to right voltage

Posted on Jan 09, 2009

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1 - Check the ground connection to the work, including the actual cable to clamp connection.

2 - Make sure that the wire feed rollers are nice and clean. The wire needs to be clean too.

3 - Check that the polarity changing wire connections are nice and tight, clean, etc.

4 - change and or service the contact tip at the end of the gun.

as always, gently clean out the loose junk inside the case. A clean welder is a happy welder. :-)

Posted on Nov 29, 2008

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