Troubleshooting
6-47
Part 1107600_03
2014 Nordson Corporation
No faults >
Ready LED is illuminated >
No hot melt output from all guns >
Motor is not turning >
All motor start conditions are correct >
Tank setpoint temperature is correct
T.4.1
?
+
−
Is the motor excessively
hot?
+
−
Is the electrical harness
that exits the motor junction
box connected to the motor
controller?
Replace the drive
assembly.
Refer to Section 7, Parts,
for drive assembly part
numbers.
+
−
Does swapping the main
board with a known good
board correct the problem?
Connect the harness.
Stop.
Contact Nordson for
technical assistance.
+
−
Is indicator DS7 on the
main board illuminated?
Replace fuses F11 and
F12.
P/N 1031203
?
+
−
Allow the motor to cool and
then automatically start
once its internal thermostat
resets. Does this correct
the problem?
Stop.
?
+
−
Is the pump operating
correctly?
Replace the pump.
Refer to Section 7, Parts,
for pump part numbers.
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