Nordson ProBlue P4 Customer Product Manual page 160

Continued from previous page....
Is the power LED on the I/O
board illuminated?
−
+
Are the inputs properly
functioning? (Refer to table T.3.1
−
for diagnostic procedures)
+
Wait for the system controller
to send a pump start signal.
Replace the I/O expansion
board kit.
P/N 1036607.
Repair or replace the
malfunctioning input.
T.4.1
Starting conditions:
No faults >
Ready LED is illuminated >
No hot melt output from all guns >
Pump has stopped