Nordson AltaBlueA4TP Customer Product Manual page 169

Is indicator DS7 on the
main board illuminated?
−
+
Is the electrical harness
that exits the motor junction
−
box connected to the motor
controller?
+
Is the motor excessively
?
hot?
−
+
Allow the motor to cool and
?
then automatically start
−
once its internal thermostat
resets. Does this correct
the problem?
+
Stop.
Replace fuses F11 and
F12.
P/N 1031203
Connect the harness.
Does swapping the main
board with a known good
−
board correct the problem?
+
Is the pump operating
?
correctly?
−
+
Replace the drive
assembly.
Refer to Section 7, Parts,
for drive assembly part
numbers.
Contact Nordson for
technical assistance.
Replace the pump.
Refer to Section 7, Parts,
for pump part numbers.
T.4.1
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
Stop.