Nordson Versa-Spray II, Customer Product Manual

Page: 27 / 64

Troubleshooting
5-7
Part 107016-02
E
2016 Nordson Corporation
Gun Cable Continuity Check
Gun cable and multiplier pins, and their functions, are shown in Figure 5-5.
Check the continuity of the cable leads from the pins in one end to the pins
in the other with a standard ohmmeter. Check for continuity between the
bottom pin (5 Vdc feedback) in the multiplier receptacle and the multiplier
heatsink.
1400417B
1
2
3
4
5
6
Gun Cable
Multiplier
2
3
1
IPS Control Unit End Gun End
Negative (Common)
5 Vdc Feedback
Positive (+21 Vdc)
Heatsink
Figure 5-5 Gun Cable and Multiplier Pins
Table 5-1 Cable Pin Functions—Control Unit End
Control Unit End Pins Function
1 Open
2 Negative (Common)
3 Positive (+21 Vdc)
4 5 Vdc Feedback
5, 6 Jumpered
Table 5-2 Cable Pin Functions—Gun End
Gun End Pins Function
1 Negative (Common)
2 5 Vdc Feedback
3 Positive (+21 Vdc)