Tru-Weld SC2400 Arc Welder - Manual (Page 28)

28
SC2400 Troubleshooting
Chart B
Circuit board, control box, fuse, breaker and L.E.D. layout
Board 16000 16001 16002 B16001 16060
Name Digital Control Pilot Arc
Gun Control
Touch / Trigger Gun Control
Accessory
Dual Gate Drive
LED 1 L1‐ Gate Power GPri ‐ SSR1 L1 ‐ PWRA ‐ F1,3 LG4 ‐ COIL Yellow
36 Volt Supply Gun Primary Touch Supply YZ Output +15 Vdc Supply
LED 2 L2‐ +5Vdc GSec ‐ SSR2 L6 ‐ +5VDC LG3 ‐ GUN‐C RED ‐ Q1
Pos 5V Supply Gun Secondary Digital Supply GLV Signal TR1 Active
LED 3 L3‐ +15Vdc LR6 ‐ PA L2 ‐ WORK LR3 ‐ GUN‐C A ‐ GREEN
Pos 15V Supply D1 Pilot Arc Output Stud On Work
Indicator
GC FUSE Indicator Channel A Selected
LED 4 L4‐ ‐15Vdc LR4 ‐ COIL L3 ‐ TRIG LG2 ‐ GUN‐P B ‐ GREEN
Neg 15V Supply BR1,2 Output Trigger Indicator GHV Signal Channel B Selected
LED 5 LG1 ‐ PAph2 L5 ‐ 2WIRE LR2 ‐ GUN‐P RED Q2
Drive Signal Input #2 Supply GP FUSE
Indicator
TR2 Active
LED 6 LR5 ‐ PAph1 L4 ‐ 4WIRE LG1 ‐ ACCESS
Drive Signal Input #1 Supply ACC Signal
LED 7 LR1 ‐ PAph3 LR2 ‐ ACCESS
Drive Signal ACC FUSE
Indicator
FUSE F2 F1,3 F4‐6
AGC 10A 250V
¼ X 1¼
Hand Tool 1 Coil
1A 125V FST
5 X 20 mm
LED 1 PWRA
10A 250V FST
5 X 20 mm
Hand Tool 2 Coil
BREAKER BKR 1,2