Troubleshooting
6-42
Part 1024496_06
2014 Nordson Corporation
Continued from previous page....
Starting conditions:
No faults >
Ready LED is illuminated >
No hot melt output from all guns >
Pump has stopped
T.4.1
+
−
Are the inputs properly
functioning? (Refer to table T.3.1
for diagnostic procedures)
+
−
Is the power LED on the I/O
board illuminated?
Wait for the system controller
to send a pump start signal.
Repair or replace the
malfunctioning input.
Replace the I/O expansion
board kit.
P/N 1036607.
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