I have a syncrowave 250DX that I have been tigging with for some time but just recently set it up for stick welding. The machine welds great but I can only seem to get it to output by using the foot pedal. I have try most things the manual mentions including disconnecting the pedal and power up procedures. all the stick function buttons seem to go dead, I cant get them to change . also it only seems to work in dc positive? Any advice will be appreciated . Serial # LC072672
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