Thermal Arc 181i FABRICATOR Service Manual page 50

FABRICATOR 181i
DY2 Header Pin
1
2
3
Table 6-15 DY2 Header pin function (connects to SOURCE header on control PCB)
DY1 Header Pin
1
2
3
4
5
QF/FJ Header Pin
1
2
3
4
Table 6-17 QF/FJ Header pin function (Connects to QF/DY header on control PCB)
GAS Header Pin
1
2
2 Control PCB
DRIVE
A
W2
IFB
GUN Header Pin
1
2
Table 6-19 GUN Header pin function (connects to GUN header on display PCB)
Troubleshooting
+24V (solenoid positive)
+24V (solenoid positive)
Table 6-16 DY1 Header pin function
+24V (VRD positive, South Pacific Version Only)
+24V (solenoid positive)
+24V (solenoid positive)
Table 6-18 GAS Header pin function (connects to Solenoid)
Imax
SOURCE SOURCE
Imin
Vmin
PWM
+24V trigger positive (0V when trigger closed)
Pin function
+24V
0V
-24V
Pin function
0V
No connection
Solenoid negative
Pin function
Solenoid negative
0V
Pin function
Solenoid negative
CR FUNs
WVF
MB
A-09991
SW0
Pin function
0VDC
6-10
TROUBLESHOOTING
signal
24 VDC
0 VDC
-24 VDC
signal
24 VDC
0V
n/c
24 VDC
0 VDC
signal
24 VDC
0 VDC
24 VDC
0 VDC
signal
24 VDC
0 VDC
NTCS
IGBT OT
GUN
QF/DY
WVIN
Signal
24 VDC
0 VDC
Manual 0-5152