AltaPail II Bulk Melters Product Manual.pdf - 第160页
Troubleshooting 9-13 Part 1121836_03 E 11/2014 Nordson Corporation Material Residue in Pail Possible Ca use Possible Fault / T roubleshootin g Corrective Action 1. Platen s etpoint temperature set too high — Correct temp…
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.
Troubleshooting
9-14
Part 1121836_03
E 11/2014 Nordson Corporation
Flow Chart Platen Control
8S61
8S61
8S61
8S21
8S11
8S31
7S31
7S21
2V4
81A1/XT5
1V6
2V3
2V5
1V3
0V3
0V1