Troubleshooting
6-18
P/N 7105144G
2008 Nordson Corporation
VersaBlue_NW
No Material (Motor Rotating)
Problem Possible Cause Corrective Action
Tank isolation valve
closed
− Open
Tank empty − Fill tank
Filter cartridge clogged − Clean or replace filter screen
Material supply hole to
pump or pump suction
hole clogged
Blocked by foreign
objects/particles
Detach pump and clean supply hole
or suction hole
Blocked by unmelted material Refer to table Too Little Material
(Large tank and large quantity of
material)
Heated hose or gun is
cold
Hose/gun not connected
electrically
Insert plug into the corresponding
receptacle (Refer to wiring diagram
for assignment)
Hose/gun temperature channel not
activated
Activate on control panel
Hose/gun heater defective Replace hose
Replace heater cartridge(s) in gun
Too Little Material or Irregular Feeding
Problem Possible Cause Corrective Action
Material supply hole to
pump or pump suction
hole partially clogged
− Detach pump and clean supply hole
or suction hole
Tank isolation valve not
completely open
− Open
Filter cartridge partly
clogged
− Clean or replace filter screen
Pressure control valve
defective
− Clean or replace
Processing temperature
set too low
− Correct temperature setting
Pump block of the gear
pump worn
− Replace pump
Large tank and large
quantity of material
Material is not completely melted Set or increase the System ready
delay time on the control panel
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