Manual De UsuarioTabla de contenidosMaster TOC6Safety2Section A Installation7Section B Operation15Section C Accessories36Section D Maintenance38Section E Theory of Operation42Section F Troubleshooting & Repair50Symptoms50Major physical or electrical damage is evident when the sheet metal cover(s) are removed.53Machine is dead – no output – no fans – no displays.53The input contactor activates when “start” button is pushed but will NOT stay closed. Machine shuts off when “start” button is54The machine shuts off and the control fuse (F1) repeatedly fails.54Fans and display are functional. No output from machine in either Stick or TIG modes.55The machine shuts off (pilot light goes out and the fans stop) when the Arc Start Switch or Amptrol is activated.56The 115VAC receptacle does not work. The machine operates normally.56Digital display does not light. Machine turns on and operates normally.57The display lights but a current cannot be preset.57In Stick mode the machine welds at a very low output, regardless of the peak current control setting.58The machine welds at very high outputs, regardless of the Peak Current control setting.59The Arc Force control has no effect on the arc.59Gas and/or water do not flow, even though the gas and/or water LEDs are lit.60No high frequency. Machine is in TIG Mode and has normal output.61Weak high frequency – machine has normal welding output.62Lack of penetration in AC TIG welding.62Black areas along weld bead.63Black areas along weld bead at or near end of weld.63The machine has low output when in TIG 4-Step mode.63Open circuit voltage is present at the output terminals even when the Arc Start switch or Amptrol is NOT actuated.64Arc rectification when AC TIG welding.64The machine output is intermittently lost. Gas flow and high frequency are also interrupted.65The arc “flutters” when TIG welding.65The Pulsar does not seem to operate.66The Spot Timer does not last as long as the nameplate setting.66The Spot Timer lasts much longer than the nameplate setting.66When using Crater Fill the arc goes out before the final crater fill current level is reached.67Stick electrode “blasts off” when touched to workpiece. The machine operates properly in the TIG mode.68The arc seems too hot, and reducing the Peak Current control does not help. The machine operates properly in the TIG mode.68Section G Electrical Diagrams135Tamaño: 2 MBPáginas: 149Language: EnglishManuales abiertas