CIGWELD WeldSkill 4R Wirefeeder - Control PCB

Troubleshooting 6-8 Manual 0-5186
WELDSKILL 250, 350 TROUBLESHOOTING
6.09 Control PCB
Art # A-10156
CN1 Header Pin Pin Function Signal
1 AC Contactor control 36VAC
2 N/A N/A
3 0V 0V
Table 6-5 CN1 Header Pin Function(connect to windings of AC contactor)
CN2 Header Pin Pin Function Signal
1 Thermostat +15VDC
2 0V 0VDC
Table 6-6 CN2 Header Pin Function(connect to Overheat thermostat)
CN3 Header Pin Pin Function Signal
1 Control Signal power supply 20VDC
2 0V 0V
3 Control Signal power supply 20VAC
4 N/A
Table 6-7 CN3 Header Pin Function(connect to control transformer)
CN4 Header Pin Pin Function Signal
1 Power LED Indication +15VDC
2 0V 0V
3 Overheat indication +15VDC
4 0V 0V
Table 6-8 CN4 Header Pin Function(connect to power LED and overheat LED)