Kemppi MASTERTIG AC/DC 2000 User Manual (English)

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Questions and Answers:

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Michael WrightAug 1, 2025
Why Kemppi MASTERTIG AC/DC 2000 Welding System shows Uin Err error message?
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  Brandon ValenciaAug 2, 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.
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Brian PattersonAug 7, 2025
What does Err 1 error message mean on Kemppi Welding System?
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  Mallory HaneyAug 7, 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.
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Brandon PhillipsAug 14, 2025
How to troubleshoot Kemppi MASTERTIG AC/DC 2000 that doesn't start?
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  mhopkinsAug 14, 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.
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Travis FloresAug 20, 2025
What to do if the net fuse gets burnt during startup of Kemppi MASTERTIG AC/DC 2000?
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  Amanda BeasleyAug 20, 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.
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Daniel LevineAug 27, 2025
Why fans remain rotating but the panel isn't operating correctly on Kemppi MASTERTIG AC/DC 2000?
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  Andrew MejiaAug 27, 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.