Troubleshooting
6-55
Part 1107600_03
2014 Nordson Corporation
No faults >
Ready LED is illuminated >
No hot melt output from some guns
T.5
?
The heaters in the affected
hose/gun may be turned off
by the remote input.
−
+
Is the melter set up for a
remote hose/gun input?
?
Check the operation of the
gun, gun solenoid, and gun
driver. Refer to the
appropriate equipment
manuals.
+
−
Is the switching device
properly connected to the
back of the melter?
Refer to Connecting Hoses
and Guns in Section 3.
+
−
Are you using a switched
handgun or a foot switch to
trigger the pump?
Connect switching device.
+
−
Is the setpoint temperature
of the affected hose/gun
within the temperature
range recommended by
the hot melt manufacturer?
Adjust the setpoint
temperature.
+
−
Is the affected hose/gun at
its temperature setpoint?
?
+
−
Is the system hydraulic
pressure correct (allowing
the gun solenoids to
operate properly)?
Correct the system
pressure.
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