Power Barrier Board Troubleshooting - Graco ProMix PD2K Repair Parts Manual

Power Barrier Board Troubleshooting

Figure 10 Power Barrier Board
Table 2 . Power Barrier Board Diagnostics
Component or Description
Indicator
D4 LED (green)
D5
LED (green)
F3 Fuse, 400 mA, 250 V
F4 Fuse, 400 mA, 250 V
J4 Connector, 24 Vdc power input
J5
Connector, +12 Vdc intrinsically safe power
output
3A2800B
Diagnosis
IS Power
Power
If either F3 or F4 is blown, there is no power
to the IS location. D4 is out.
Troubleshooting
23