Tweco 400 Ultra-Cut(May 2014) - Manual (Page 151)

ULTRA-CUT 100 XT/200 XT/300 XT/400 XT
Manual 0-5302 APPENDIX A-23
Relay and Interface PCB Test Points
TP1 GND
TP2 -15V
TP3 +5VDC
TP4 +12V
TP5 +24V
TP6 +15V
TP7 +5VDC
LED Reference
D2 Green 1 TORCH GAS ON
D7 Green PILOT ENABLE
D11 Green PILOT CURRENT DETECTED
D12 Green WORK CURRENT DETECTED
D22 Green CONTACTORS ON
D23 Green RF ON
D24 Green FANS ON
D25 Green PLASMA ENABLED
D26 Green 1 TORCH ON
D27 Green TORCH COOLANT ON