BenutzerhandbuchInhaltsverzeichnisMaster Table of Contents6Safety2Section A - Installation7Section B - Operation13Section C - Accessories21Section D - Maintenance25Section E - Theory of Operation31Section F - Troubleshooting & Repair39Symptoms42Major Physical or Electrical Damage is Evident42Machine is dead — no open circuit voltage output and no wire feed when gun trigger is pulled. The machine display may be lit.42No open circuit voltage output but wire feeds normally when gun trigger is pulled.43Wire feeds but welding output is low causing wire to “stub”. Welds are “cold”. Machine cannot obtain full rated output of 200 amps at 28 volts.43The output voltage and wire feed is present continuously or pulsing when gun trigger is NOT activated.44The output voltage is present continuously when gun trigger is NOT activated.44No control of arc voltage. Wire feeding is normal.45There is no gas flow when gun trigger is pulled. Wire feeds and weld voltage is present.45The machine stops feeding wire while welding.45No control of wire feed speed. Other machine functions are normal46There is no wire feed when gun trigger is pulled. Normal open circuit voltage is present.46The arc is unstable and or “hunting”.47Weld bead is narrow or ropy. May have porosity with electrode stubbing into plate.47The contact tip seizes in the gas diffuser.48The welding arc is variable and sluggish.48The arc striking is poor.48Section G - Electrical Diagrams97Größe: 1,76 MBSeiten: 108Language: EnglishHandbuch öffnen