Lincoln Electric SVM158-A User Manuals

Table of Contents

• Master Table of Contents

  6
• Safety

  2
• Section A - Installation

  7
• Section B - Operation

  13
• Section C - Accessories

  27
• Section D - Maintenance

  39
• Section E - Theory of Operation

  43
• Section F - Troubleshooting and Repair

  51
• Symptoms

  54
  • Major physical or electrical damage is evident when the sheet metal cover is removed.

    54
  • The machine is dead—no output— no displays.

    54
  • The main input fuses (or breaker) repeatedly fail.

    54
  • The V350-Pro does not have welding output. The displays are lit.

    55
  • The V350-Pro will not produce full output.

    55
  • The machine regularly overheats and the yellow thermal light is ON indicating a thermal overload.

    56
  • An attached wire feeder will not function correctly.

    56
  • The machine’s welding output is very high and uncontrollable.

    57
  • The Weld Mode Select does not function properly.

    57
  • The output control and/or Weld Terminals Select functions do not operate properly.

    57
  • The display is not functioning properly.

    58
  • A fault or error code is displayed.

    58
  • For no apparent reason the welding characteristics have change.

    58
• Section G - Electrical Diagrams

  147