Question about Miller Electric Mfg Co 903376 Deltaweld 302 MIG Welder, 3- Phase, 15 - 32 V
Have voltage on Meter and can raise and lower the voltage but get no reading on Amp meter or no arc.
Fan is running and the fuses on the feeder are ok can feed wire
but no arc. or reading on the meter.
Trigger the wirefeeder while listening for the contactor on the CP302 to close, if it does start looking for loose, bad or missing ground connections to the work, then look for the power connection from the CP302 to the wirefeeder to be bad. If the CP302 contactor doesn't close look at the control cable between the wirefeeder and the CP302, try a different one if possible. If you hear the contactor close, and everything else is good, check the voltage at the CP302 output terminals to see if you may have a bad contactor.
Posted on Nov 29, 2008
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Weld Cable (+) To Feeder lead cable.
Work Cable ( - ) To Workpiece Weld cable and work cable connections to power source (DCEN/DCEP) are dependant on wire type.
Since feeder is not polarity sensitive, there is no need for an electrode polarity switch.
Voltage Sensing Clamp Connect voltage sensing clamp to
Gas Hose to regulator.
Gas Cylinder to regulator.
Use of shielding gas is dependant on wire type.
You are all set up to weld.
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