ESAB Powercut 1600 Service Manual page 180

SECTION 8
10.11 Buss Supply Power Control / IGBT / MOSFET Testing
1. Connect as shown
2. Led On = Shorted Junction, Replace Part
3. Press Push-button Switch:
Led On = Good
Led Off = Bad Or Open, Replace Part
10
gENERAl INfORMATION
IgbT TESTER
1. Connect as shown
2. Led On = Shorted Junction, Replace Part
3. Press Push-button Switch:
Led On = Good
Led Off = Bad Or Open, Replace Part
** Repeat steps for E2, C2 and G2
NOTE:
Black lead always on emitter
Red lead always on collector
Yellow on gate connections
180
G1 = GATE 1
G2 = GATE 2
E1 = EMITTER 1
E2 = EMITTER 2
C1 = COLLECTOR 1
C2 = COLLECTOR 2
G = Gate
D = Drain
S = Source