Nordson ProBlue P4 Manuel page 160

Continued from previous page....
Is the tank empty?
-
+
Turn off the pump. Fill the tank.
Wait for the unit to heat the
adhesive to operating
temperature.
Is the isolation valve (shut off
valve) closed?
-
See Figure 6‐6.
+
Open the valve.
T.4
Starting conditions:
No faults >
Ready LED is illuminated >
No hot melt output from all guns
Is hot melt returning to the tank
through the return port located
-
behind the tank screen?
See Figure 6‐3.
+
Replace the pressure
discharge valve.
P/N 1028308.
Check and clean the outlet of
the tank and the crossover
tube or clean/replace the
manifold.