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ESAB A-12786 - User Manual

ESAB A-12786
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120
380/400V
Art # A-12786
esab.com
ESAB Cutmaster
®
120
Plasma Cutting System
SL100 1Torch
TM
Operating
Manual
Revision: AC Issue Date: July 6, 2015 Manual No.: 0-5389

Table of Contents

Questions and Answers

  • J
    Jessica KingSep 3, 2025
    What to do if the ESAB A-12786 torch cutting is diminished?
    • J
      john22Sep 4, 2025
      If the torch cutting is diminished, you can: - Check and adjust to the proper setting. - Check torch consumables and replace them as needed. - Check the connection of the Work Lead to the work piece. - Reduce cutting speed.
  • D
    Daniel JohnsonSep 2, 2025
    What to do if fault and 85 PSI indicators are flashing on my ESAB A-12786?
    • M
      mauricewilliamsSep 3, 2025
      If the fault and 85 PSI indicators are flashing, you can try the following: - Remove the shield cup from the torch and check the upper O-ring position, correcting it if necessary. - Turn OFF the power supply, bleed down the system pressure, then remove the shield cup, tip, and starter cartridge. Check the starter cartridge lower end fitting for free movement and replace it if it doesn't move freely. - Inspect the torch consumable parts and replace them if necessary. - Release the torch switch and reactivate it.
  • B
    brett55Sep 1, 2025
    What to do if the ON/OFF Switch is ON but the A/C Indicator does not light on my ESAB Cutter?
    • J
      Jackson MckaySep 2, 2025
      If the ON/OFF switch is ON but the A/C Indicator does not light on your ESAB Cutter, consider these possible causes: * The primary power disconnect is in the OFF position (turn the primary power disconnect switch to the ON position). * The primary fuses/breakers are blown or tripped. * The unit's internal fuse is blown (replace the fuse; if it blows again, the unit needs service). If none of these resolves the issue, there may be faulty components in the unit.
  • C
    Christopher MccormickSep 1, 2025
    Why is the pilot arc ON, but the cutting arc won't establish on my ESAB A-12786 Cutter?
    • K
      khansonSep 1, 2025
      If the pilot arc is ON but the cutting arc will not establish on your ESAB Cutter, the issue might be: * The work cable is not connected to the workpiece (connect the work cable). * The work cable/connector is broken (replace the work cable). If the problem persists, it may be due to failed components in the unit.
  • A
    Amanda ShortAug 30, 2025
    Why is the ESAB A-12786 Cutter torch cutting diminished?
    • M
      mbennettAug 31, 2025
      Diminished torch cutting in your ESAB Cutter can stem from several factors: an incorrect current setting (check and adjust to the proper setting), worn torch consumables (inspect and replace as needed), a poor work cable connection to the workpiece (check the connection), excessive cutting speed (reduce it), or excessive oil or water in the torch. If none of these resolves the issue, it could be due to failed components within the unit.
  • J
    Jason WashingtonAug 30, 2025
    What does it mean when FAULT and 90 PSI indicators are flashing on my ESAB A-12786?
    • D
      Debbie AllenAug 30, 2025
      If the FAULT and 90 PSI indicators are flashing, it indicates an internal error. Try turning the ON/OFF switch OFF and then back ON again.
  • F
    fishersusanAug 29, 2025
    Why are the Fault and 65 PSI indicators flashing on my ESAB A-12786 Cutter?
    • I
      ihayesAug 29, 2025
      If the Fault indicator and the 65 PSI indicator are flashing on your ESAB Cutter, it may be due to improper input voltage (check for proper primary input voltage). If the issue persists, it may be due to faulty components in the unit.
  • D
    David GreenAug 28, 2025
    What to do if TEMPERATURE indicator is ON and FAULT indicator is flashing on ESAB A-12786 Cutter?
    • G
      George GarzaAug 28, 2025
      If the TEMPERATURE indicator is ON and the FAULT indicator is flashing on your ESAB Cutter, it could be due to: obstructed air flow through or around the unit or the unit's duty cycle has been exceeded (allow unit to cool). If the problem persists, it may be due to failed components in the unit.
  • M
    Michael HooverAug 25, 2025
    Why are the FAULT and 75 PSI indicators flashing on my ESAB A-12786 Cutter?
    • J
      Jonathan MillerAug 26, 2025
      If the FAULT and 75 PSI indicators are flashing on your ESAB Cutter, it could be due to several reasons: * The start signal is active when the ON/OFF SWITCH is turned to the ON position. Start can be active if the hand torch switch or hand pendant switch is held closed, or if the CNC START signal is active low (release the START signal source). * There's a problem in the torch and leads switch circuit (replace the torch and leads). If the issue persists, it may indicate failed components in the unit.
  • A
    amanda00Aug 25, 2025
    What to do if FAULT and 70 PSI indicators are flashing on ESAB A-12786 Cutter?
    • M
      Matthew BlevinsAug 25, 2025
      If the FAULT and 70 PSI indicators are flashing on your ESAB Cutter, check the following: * Ensure the shield cup is snug (hand tighten it). * Verify the torch ATC is securely fastened to the unit. * There may be a problem in the torch and leads PIP circuit (replace the torch and leads). If the issue persists, it could be due to failed components in the unit.

ESAB A-12786 Specifications

General IconGeneral
BrandESAB
ModelA-12786
CategoryCutter
LanguageEnglish

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