Question about Lincoln Electric LINK2400-+2 CV-305 MIG Welder with Options Input Power: 23

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Lincoln ranger 250 voltage problem

Lincoln ranger 250 engine driven welder has lost its voltage control when welding. It will weld at a certan voltage and then spike to almost double what do I check first and how thanks

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  • Anonymous Mar 12, 2014

    would not properly weld

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Welder not making voltage ac or dc

Posted on Mar 06, 2009

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Hi,
Check the current control resistor with an ohm meter. The center terminal should have a smooth rise or fall of resistance when measured to one end or the other of the resistor. If the resistor and the wiring to it are OK, check the shunt in the output it'll be by the "electrode" terminal. If both are OK you probably have a bad control board.

Regards,
Carl

Posted on Feb 23, 2009

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