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Prepare to Troubleshoot Internal Components
2
32
810430
Troubleshooting Guide
Powermax65/85/105 SYNC
Hypertherm IGBT tester
Use the Hypertherm IGBT (insulated gate bipolar transistor) tester (128883) as described in the
following sections. Or you can assemble your own IGBT tester from the schematic diagram shown
on
and use it to do IGBT tests.
Table 5
— Hypertherm IGBT tester
128884
7
8
9
1
2
3
4
5
6
10
1
Test for short-circuited IGBT
2
Fail LED (red)
3
Pass LED (green)
4
Circuit diagram
5
Low battery LED (red)
6
Test for open circuit in the IGBT
7
Rocker switch
8
Collector (red)
9
Gate (yellow)
10
Emitter (black)
Содержание Powermax105
Страница 1: ...Powermax65 85 105 SYNC Troubleshooting Guide 810430 REVISION 0 ENGLISH ...
Страница 12: ...Before You Begin 1 12 810430 Troubleshooting Guide Powermax65 85 105 SYNC ...
Страница 132: ...Do System Tests to Identify Defective Components 5 132 810430 Troubleshooting Guide Powermax65 85 105 SYNC ...
Страница 172: ...How the Plasma Power Supply Operates 7 172 810430 Troubleshooting Guide Powermax65 85 105 SYNC ...
Страница 174: ...System Diagrams 8 174 810430 Troubleshooting Guide Powermax65 85 105 SYNC ...
Страница 180: ...System Diagrams 8 180 810430 Troubleshooting Guide Powermax65 85 105 SYNC ...