Troubleshooting Pump; No Material (Pump Does Not Rotate) - Nordson AltaBlue Customer Product Manual

Troubleshooting Pump

No Material (Pump Does not Rotate)

Possible Cause
1. Melter not yet ready
for operation (heatup
phase)
2. Melter at present not
ready for operation
(undertemperature
during operation)
3. Motor not enabled
4. Speed (rpm) not set
5. Standby entered
6. Motor overheated
7. Motor defective
8. Motor not supplied
with voltage
9. Motor drive fault
10. Motor drive defective
E 2011 Nordson Corporation
Possible Fault / Troubleshooting
—
Material was refilled
—
—
—
Ambient temperature too high
Fan cap dirty
Pump blocked by foreign matter
Pump operates too sluggish
Material too cold
—
—
—
Motor overheated
Motor controller overheated
Short circuit
Overload (pump blocked by foreign
matter, pump too sluggish, material
too cold)
—
Troubleshooting
Corrective Action
Wait until the melter has heated up
and the green indication lamp is lit
Wait until the melter has heated up
and the green indication lamp is lit
Enable motor
Set speed (rpm)
Exit or wait until standby period has
expired
Decrease ambient temperature by
cooling or airing out
Clean
Replace pump
Replace pump
Set temperature accordingly
Replace
Technical inspection
Switch melter off and on again with
main power switch
See above
Decrease ambient temperature by
cooling or airing out
Clean cooling section of motor
controller
Check motor cable
Refer to 6.
Replace
8-13
Part 1120130