Troubleshooting
6-41
Part 1120277_01
E 2012 Nordson Corporation
No faults >
Ready LED is illuminated >
Nohotmeltoutputfromallguns>
Motor is turning
T.4.2
Fill the reservoir.
Repair the pump or
manifold seals.
+
--
Is the reservoir isolation
valve closed?
Turn the valve
counterclockwise to open.
+
--
Is the PCV turned fully
counterclockwise (no
pressure)?
Adjust the PCV.
Refer to the PCV
adjustment procedures in
Section 3, Installation.
Check and clean or replace
the PCV.
+
--
Is the reservoir empty?
+
--
Is the pump input shaft
turning?
Replace the
motor-to-pump coupling or
replace the shaft key.
--
+
Is there hot melt leakage
around the pump or
manifold?
SeeFigure6-2.
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