Benutzerhandbuch für Lincoln Electric SVM123-A

Inhaltsverzeichnis

• Master TOC

  6
• Safety

  2
• Section A Installation

  7
• Section B Operation

  17
• Section C Accessories

  25
• Section D Maintenance

  31
• Section E Theory of Operation

  35
• Section F Troubleshooting

  41
• Symptoms

  44
  • Major Physical or Electrical Damage is Evident.

    44
  • The Machine is dead - The Input contactor does not operate.

    44
  • Input contactor (1CR) chatters.

    44
  • Input contactor pulls in when start button is pressed but immediately drops out when start button is released.

    45
  • Machine input contactor operates but machine has no weld output. Fan runs and pilot light glows.

    46
  • Machine has maximum weld output and no control.

    47
  • Machine has minimum output and no control.

    47
  • The machine does not have maximum weld output.

    48
  • Machine shuts off (input contactor drops out) when the welder output terminals are electrically ...

    49
  • The DC-1000 will NOT shut off when the Stop button is pushed.

    49
  • The weld output terminals are always electrically “hot”.

    50
  • Poor arc starting when the DC-1000 is in the CV Sub-Arc or CV Innershield Modes.

    51
  • Poor arc characteristics in all processes.

    51
  • Poor performance (including arc outages) while welding at low current (less than 450 amps) ...

    52
  • The machine frequently shuts off while using the 500 amp (+) output terminal (later models only).

    52
• Section G - Electrical Diagrams

  105