Lincoln Electric SVM199-A User Manuals

Table of Contents

• Master Table of Contents

  8
• Safety

  2
• Section A - Installation

  9
• Section B - Operation

  17
• Section C - Accessories

  27
• Section D - Maintenance

  29
• Section E - Theory of Operation

  33
• Section F - Troubleshooting & Repair

  41
• Symptoms

  44
  • Major physical or electrical damage is evident when the sheet metal covers are removed.

    44
  • The input fuses repeatedly fail orthe input circuit breakers keep tripping.

    44
  • The input fuses fail or input breakers trip after the CR-1 contactor closes

    44
  • The machine is dead - - no lights- - no output - - the machine appears to have no power.

    45
  • The Auxiliary Receptacle is “dead”. No 120VAC present.

    45
  • The INVERTEC® V450-PRO does not have welding output. The main input contactor (CR1) is not activating.

    46
  • Thermal light is ON. The machine regularly “overheats.”

    47
  • General degradation of weld performance.

    48
  • Machine shuts down during a weld.

    49
• Section G - Electrical Diagrams

  125