ESAB ESP-600C - Page 4

ESP-600C Plasma Power Source Table of Contents
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Section 5 Maintenance
5.1 General 1
5.2 Cleaning 1
5.3 Fan Lubrication 2
Section 6 Troubleshooting
6.1 General 1
6.2 Fault Indicators 1-3
6.3 Fault Isolation (Diagnostics) 4-10
6.3.1 Fans 4
6.3.2 Power not on or Low Voltage 4
6.3.3 Fault Light Illumination 5-8
6.3.4 Torch will not Fire 9
6.3.5 Fuses 1 and 2 Blown 10
6.3.6 Intermittent, interrupted or Partial Operation 10-12
6.4 Testing and Replacing Components 13
6.4.1 Power Rectifiers 14
Negative Plate 14
Positive Plate 15
Electrode Plate 15
6.4.2 Freewheeling Diodes and IGBTs 16-18
6.4.3 Power Shunt Installation 18
6.4.4 Procedure for Verifying Calibration of Digital Meters 19
6.5 ESP-600C Schematic Diagrams 20-27
6.6 Wiring Diagrams 28-35
6.7 PC Controller Board (PCB1 - P/N 38032) Schematics 36-40
6.8 PCB Digital Meter Board (PCB4 – P/N 38139) Schematics 41-43
6.9 IGBT Driver Board (PCB2,3 – P/N 38030) Schematics 44-46