Nordson ProBlue P4 Customer Product Manual page 142

Continued from previous page....
Is there voltage across the wires
in the power cable from the
−
disconnect switch to TB1?
+
Is there voltage on the
downstream side of fuses F3 and
−
F4 on the main board?
See Figure 6-1.
+
Replace the main board
assembly.
P4/P7 − P/N 1028322.
P10 − P/N 1028323.
Replace the power cable.
Replace fuses F3 and F4.
P/N 1028329.
T.1
Starting Condition:
Control panel is not illuminated