AltaPail II Bulk Melters Product Manual - 第159页
Troubleshooting 9-12 Part 1121836_03 E 11/2014 Nordson Corporation No Mat erial (Moto r Rotating) Possible Ca use Possible Fault / T roubleshootin g Corrective Action 1. Pail e mpty — Replace pail 2. Material s upply hol…
Troubleshooting
9-11
Part 1121836_03
E 11/2014 Nordson Corporation
Troubleshooting Pump
No Material (Pump Does not Rotate)
Possible Cause Possible Fault / Troubleshooting Corrective Action
1. Melter not yet ready
for operation (heatup
phase)
— Wait until the melter has heated up
and the green indication lamp is lit
2. Melter at present not
ready for operation
(undertemperature
during operation)
Material was refilled Wait until the melter has heated up
and the green indication lamp is lit
3. Motor not enabled — Enable motor
4. Speed (rpm) not set — Set speed (rpm)
5. Standby entered — Exit or wait until standby period has
expired
6.
Motor
overheated
Ambient temperature too high Decrease ambient temperature by
cooling or airing out
Fan cap dirty Clean
Pump blocked by foreign matter Replace pump
Pump operates too sluggish Replace pump
Material too cold Set temperature accordingly
7. Motor defective — Replace
8. Motor not supplied
with voltage
— Technical inspection
9. Motor drive fault — Switch melter off and on again with
main power switch
Motor overheated See above
Motor controller overheated Decrease ambient temperature by
cooling or airing out
Clean cooling section of motor
controller
Short circuit Check motor cable
Overload (pump blocked by foreign
matter, pump too sluggish, material
too cold)
Refer to 6.
10. Motor drive defective — Replace
Troubleshooting
9-12
Part 1121836_03
E 11/2014 Nordson Corporation
No Material (Motor Rotating)
Possible Cause Possible Fault / Troubleshooting Corrective Action
1. Pail empty — Replace pail
2. Material supply hole
to pump or pump
suction hole clogged
— Detach pump and clean supply hole
or suction hole
3. Safety valve defective — Replace safety valve
4. Pump defective — Replace pump
Too Little Material
Possible Cause Possible Fault / Troubleshooting Corrective Action
1. Material supply hole
to pump or pump
suction hole partially
clogged
— Detach pump and clean supply hole
or suction hole
2. Processing
temperature set too
low
— Correct temperature setting
3. Pump block is worn — Replace pump
4. Safety valve defective — Replace safety valve
5. Pump defective — Replace pump
Troubleshooting
9-13
Part 1121836_03
E 11/2014 Nordson Corporation
Material Residue in Pail
Possible Cause Possible Fault / Troubleshooting Corrective Action
1. Platen setpoint
temperature set too
high
— Correct temperature setting
Material of low quality or not
appropriate for application
(temperature resistance poor)
Consult material supplier
Material Hardens in Pail
Possible Cause Possible Fault / Troubleshooting Corrective Action
1. Platen setpoint
temperature set too
high/too low
— Correct temperature setting
Others
Problem Possible Cause Corrective Action
1.
Leakage
at
pump
shaft seal
Pump shaft seal is worn Tighten the gland bolt
— Replace pump
2. Material pressure too
low, output quantity
too low
Pump is worn Replace pump
3.
Pump
blocked
Processed material too cold Correct temperature setting (observe
data sheet of material manufacturer)
Foreign material in pump Replace pump
4. Leakage at applicator
during heatup phase
Safety valve does not open
(expansion pressure)
Replace safety valve
S
Separate document Wiring Diagram.