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Kemppi MASTERTIG AC/DC 2500 - Service Manual

Kemppi MASTERTIG AC/DC 2500
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Service manual
Ver. 1.0

Table of Contents

Other manuals for Kemppi MASTERTIG AC/DC 2500

Preview: Operation Instructions
Operation Instructions31 pages

Questions and Answers

  • J
    Jeremy HillAug 8, 2025
    Why Kemppi MASTERTIG AC/DC 2500 Welding System shows Uin Err error message?
    • K
      kevin15Aug 8, 2025
      If the Kemppi Welding System power source won't start and shows a Uin Err error message with the over or under voltage signal lamp on, it could be due to a wrong supply voltage selection. Disconnect the power source plug and select the correct supply voltage using the selector switch S003 (ACDC 2500 and 2500W). Also, ensure all supply phases are present, as a missing phase could be the cause.
  • W
    wramseyAug 14, 2025
    What does Err 1 error message mean on Kemppi MASTERTIG AC/DC 2500?
    • C
      Cameron TaylorAug 14, 2025
      If the Kemppi Welding System displays an Err 1 error message, it indicates that the power source's output voltage has exceeded 90V for more than 4 seconds. To resolve this, check the condition of the control card A003.
  • M
    mendozaedwinAug 20, 2025
    How to troubleshoot Kemppi Welding System that doesn't start?
    • J
      Jonathan DanielsAug 21, 2025
      If the Kemppi Welding System power source doesn't start and the panel lights and displays remain blank, the issue might stem from several causes: * Burnt net fuses: Check and replace them if necessary. * Damaged supply cable: Repair or replace the cable. * Faulty main switch S001: Inspect the switch's condition. * Faulty auxiliary transformer T002 or bad connections: Check the transformer and connectors, fixing any bad connections or replacing T002 if needed. * Faulty control card A002: Check the control card fuses and replace A002 if necessary.
  • S
    Stephanie ValdezAug 26, 2025
    What to do if the net fuse gets burnt during startup of Kemppi MASTERTIG AC/DC 2500 Welding System?
    • B
      Brandon StoneAug 26, 2025
      If the net fuse burns during startup of the Kemppi Welding System, consider these possible causes: * A faulty supply cable: Inspect and replace if necessary. * A faulty primary circuit component: Check components like the main switch, primary rectifier, and primary IGBT. * A faulty secondary circuit component: Examine the diode cards, secondary IGBT, and control card A003.
  • D
    Denise ScottSep 1, 2025
    Why fans remain rotating but the panel isn't operating correctly on Kemppi MASTERTIG AC/DC 2500?
    • M
      melissakelleySep 1, 2025
      If, after starting your Kemppi Welding System, the fans keep rotating but the panel isn't working correctly, it could be due to a bad contact in the flat cable between the function panel and control card A002. Check the flat cables and connectors X1 and X2. Alternatively, the panel itself might be faulty. If some panel function is not working after resetting the panel, replace the panel membrane or the panel.

Summary

Technical Data

Technical Specifications

Detailed specifications for Mastertig AC/DC welding machines.

Machine Configuration and Principles

Jumper Function Configuration

Details on setting and using jumper functions for machine configuration.

Operation Principle and Error Codes

Explains IGBT inverter operation and lists error codes.

Troubleshooting

Troubleshooting Diagram

Table of common problems, causes, and remedies.

Signal Analysis and Diagnostics

Control Card Signal Measurements

IGBT Gate Pulse Analysis

Analysis of IGBT gate pulses for different models.

Transformer Primary Voltage Analysis

Voltage waveforms from the primary side of transformer T001.

Secondary Voltage Waveform Analysis

Kemppi MASTERTIG AC/DC 2500 Specifications

General IconGeneral
Output Current Range5 - 250 A
Welding ProcessTIG, MMA
AC Frequency50/60 Hz
Protection ClassIP23
Rated Input Current16 A
Efficiency85%
Duty Cycle60%
Arc StartingHF
Welding ProcessesTIG, MMA
StandardsIEC 60974-10
Power Supply3~

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