Powermax125
Service Manual 808070
123
8 – Troubleshooting and System Tests
Figure 10 – Schematic for building an IGBT tester
3
4
5
6
7
8
9
11
12
13
14
15
16
2
10
17
1
1
IGBT module to be tested (inside the dashed line)
2
Collector (“C1” or “3”)
3
Emitter (“E2” or “2”)
4
Collector, Emitter (“C2E1” or “1”)
5
Gate (“G1” or “4”)
6
Emitter (“E1” or “5”)
7
Emitter (“E2” or “2”)
8
Gate (“G2” or “6”)
9
Red minigrabber test clip
10
D1 Red LED lamp (109092)
11
R3 2.0K (009036)
12
R4 2.0K (009036)
13
9 VDC battery
14
Normally open push-button switch
15
R1 3.01M (009464)
16
Black minigrabber test clip
17
Yellow minigrabber test clip
