I have a 2001 syncrowave 180sd with the diamondback series gtaw torch and the typical foot control you turn the power switch on and the machine makes the sound like when you start by pushing the foot panel you do not have to use the panel to start just hit your table like a scratch start I have check the switch and the wires from the foot control to the board inside and it is opening and closing the way it sould be doing checked the contacts to make sure that they are not burn together and set them at 0.012turn the tig to stick process and the stick works fine help thanks Ken