用户手册 — Lincoln Electric INVERTEC SVM129-B

目录

• Master Table of Content

  6
• Safety

  2
• Section A - Installation

  7
• Section B - Operation

  13
• Section C - Accessories

  21
• Section D - Maintenance

  25
• Section E - Theory of Operation

  29
• Section F - Troubleshooting and Repair

  39
• Symptoms

  39
  • Major physical or electrical damage is evident.

    42
  • Machine has no open circuit voltage. Wire feeds OK.

    42
  • Machine has no welding output (no open circuit voltage), and the wire feeder does not feed wire when the gun trigger is pulled.

    43
  • Machine is dead - no output - no fan - no display.

    44
  • No output or reduced output the first time power is applied to the machine.

    44
  • No output. Main fuses are open, indicating excessive current draw.

    45
  • Machine loses output when gun trigger is pulled or arc is struck. Machine output returns after a few seconds and trigger is pulled again. The thermal indicator light is lit.

    45
  • Machine loses output while welding. The thermal indicator light is lit. Normal welding output returns after about 10 minutes.

    46
  • Porosity in the weld.

    47
  • Weld bead appears "cold."

    48
  • Molten weld puddle appears excessively "violent."

    49
  • Excessive weld spatter. Arc sounds and looks like a standard MIG process.

    50
  • Poor welding, weld settings drift, or output power is low.

    50
• Section G - Electrical Diagrams

  117