ESAB 100i Service Manual page 45

Main Inverter Bottom PCB Test Points
TP1 GND
TP2 GATE 2A
TP3 GATE 1A
TP4 GATE 3A
TP5 GATE 4A
TP6 GATE 2B
TP7 GATE 1B
TP8 GATE 4B
TP9 GATE 3B
TP10 +12VP
TP11 +12VDC
TP12 THERMISTOR SIDE A
TP13 THERMISTOR SIDE B
TP14 +5VDC
TP15 PGND
LED Reference
D3 Red CAP IMBALANCE
D4 Green READY
Manual 0560956456
iSERIES 100 /200 /300 /400
APPENDIX A-25