Lincoln Electric V250-S User Manuals

Table of Contents

• Master TOC

  6
• Safety

  2
• Section A Installation

  7
• Section B Operation

  13
• Section C Accessories

  19
• Section D Maintenance

  21
• Section E Theory of Operation

  25
• Section F Troubleshooting & Repair

  33
• Symptoms

  36
  • Major physical or electrical damage is observed when cover wrap-around is removed.

    36
  • The machine is dead - no output -no fan.

    36
  • No output but the fan operates normally.

    37
  • Output turns on momentarily, then switches off and repeats cycle.

    38
  • Remote output control not functioning. The machine operates normally on LOCAL control.

    38
  • No output - Main input fuses open, indicating excessive current draw.

    39
  • The machine operates normally when connected for 200 - 230VAC input. There is no output when the ...

    39
  • The machine will not produce more than 200 amps.

    40
  • Poor welding, weld settings drift, or output power is low.

    41
  • Poor stick electrode welding performance. The arc pops out.

    41
• Section G Electrical Diagrams

  111