No Material (Motor Does Not Rotate) - Nordson VersaBlue VBN 50 Manual

No Material (Motor does not Rotate)

Problem
System not yet ready
System currently not ready
Motor not switched on
Speed (rpm) not set
Motor overheated
Motor defective
Motor not supplied with
voltage
Pump not turning
No Material (Motor Rotating)
Problem
Tank isolation valve closed
Tank empty
Filter cartridge clogged
Material supply hole to
pump or pump suction hole
clogged
Hose or gun is cold
E 2008 Nordson Corporation
Possible Cause
Undertemperature during heatup
phase
Undertemperature during operation
Material was refilled
−
−
Ambient temperature too high
Fan cap dirty
Pump blocked by foreign material
Pump operates too sluggish
Material too cold
−
−
Pump is cold, so material is cold
Possible Cause
−
−
−
Blocked by foreign objects/particles
Blocked by unmelted material
Hose/gun not connected
electrically
Hose/gun heater defective
VBN w/o Control System
Troubleshooting
Corrective Action
Wait until the melter is heated
Wait until the melter is heated
Switch on motor
Set speed (RPM)
Decrease ambient temperature by
cooling or airing out
Clean
Replace pump
Replace pump
Set temperature accordingly
Replace
Technical inspection
Switch on pump heater
Replace heater cartridge
Corrective Action
Open
Fill tank
Clean or replace filter screen
Detach pump and clean supply
hole or suction hole
Refer to Too Little Material
(Large tank and large quantity of
material)
Insert plug into the corresponding
receptacle (Refer to wiring
diagram for assignment)
Replace hose
Replace heater cartridges in gun
6-3
P/N 7146386A