Manuali utente per Lincoln Electric IDEALARC DC-655

Sommario

• Master TOC

  6
• Safety

  2
• Section A Installation

  7
• Section B Operation

  15
• Section C Accessories

  23
• Section D Maintenance

  33
• Section E Theory of Operation

  37
• Section F Troubleshooting and Repair

  43
• Symptoms

  46
  • Major physical or electrical damage is evident.

    46
  • The machine is dead - the input contactor does not operate. The pilot light is not lit.

    46
  • The input contactor operates, but no welding output. The 115 VAC auxiliary supply is present at the receptacle.

    46
  • The input contactor chatters.

    47
  • The machine is dead - the input contactor does not operate. The pilot light is lit.

    47
  • The machine has welding output but no control.

    48
  • The machine does not have maximum output.

    48
  • The 115 VAC receptacle is not working. The machine’s welding output is normal.

    49
  • When not welding for a period of time, the machine shuts down.

    49
  • The output control potentiometer does not function when the output control switch (SW3) is in the...

    50
  • The remote output control unit does not function properly when the output control switch (SW3) is...

    50
  • The Thermal Protection Light is on but the fan does not run.

    51
  • The fan runs continuously.

    51
  • One or both of the optional digital meters are not lit.

    51
  • The optional digital meter is not working properly and/or the display is erratic.

    52
  • The analog meters are not reading correctly.

    52
  • Poor arc characteristics in all processes.

    53
  • Poor arc striking with semiautomatic or automatic wire feeders.

    53
  • The arc is variable or sluggish.

    54
  • The Arc Force Control (R4) has no effect on the arc.

    54
• Section G - Electrical Diagrams

  101