Nordson ProBlue P4 Manuel page 165

Is the set‐point temperature
correct for the hose/gun pair that
-
has no hot melt output?
+
Is the displayed temperature for
the stopped hose/gun changing
-
erratically?
+
Check/replace the hose or the
gun RTD.
Refer to the hose or gun
manual.
Adjust the set‐point
temperature.
Are the gun solenoid, gun driver,
or air supply to the gun functioning
-
properly?
+
WARNING: Relieve system
pressure before continuing.
-
Is the gun nozzle or an inline
Saturn filter blocked?
+
Clean the nozzle or replace the
filter.
T.5
Starting conditions:
No faults >
Ready LED is illuminated >
Hot melt output from some guns
Replace/repair the
solenoid/gun driver or adjust
the air supply.
WARNING: Relieve system
pressure before continuing.
-
Does hot melt flow from the gun
body if you remove the gun
module?
+
Replace the gun module.
Refer to the gun manual.
Replace the hose.
WARNING: Relieve system
pressure before continuing.
-
Does hot melt flow from the hose
if you remove the gun?
+
Replace the gun body, heater,
or RTD.
Refer to the gun manual.