Troubleshooting
6-6 Manual 0-5206
WELDSKILL 200AC/DC INVERTER TROUBLESHOOTING
2 Power Supply PCB
8.066.526--G
R28
R41
DY3
C41
1
1
1
1
1
DCIN
DY2 DY1
POWER/FJ
A-11423_AB
DY3
DCIN Header Pin Pin function signal
1 DC Bus positive 336 VDC ±10%
2 DC Bus negative 0 VAC
Table 6-9: DCIN Header pin function (connects to mains supply)
DY1 Header Pin Pin function signal
1 +24 VDC 24 VDC
2 0 VDC 0 VDC
Table 6-10: DY1 Header pin function (connects to souin header on HF PCB)
DY2 Header Pin Pin function signal
1 +24 VDC 24 VDC
2 0 VDC 0 VDC
Table 6-11: DY2 Header pin function (connects to SOU header on main control PCB)
POWER/FJ Header Pin Pin function signal
1 +24 VDC 24 VDC
2 0 VDC 0 VDC
3 -24 VDC -24 VDC
4 -24 VDC -24 VDC
5 0 VDC 0 VDC
Table 6-12: POWER/FJ Header pin function (connects to POWER header on main control PCB)
3 HF filter PCB
Header Pin Pin function signal
WELD+ Positive Welding Terminal
WELD- Negative Welding Terminal
GND Earth Earth
Table 6-13: EMC Header pin function