Nordson AltaBlue - Material Residue in Tank; Material Hardens in Tank; Others

Troubleshooting
8-16
Part 1120130
E 2011 Nordson Corporation
Material Residue in Tank
Possible Cause Possible Fault / Troubleshooting Corrective Action
1. Tank 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 Tank
Possible Cause Possible Fault / Troubleshooting Corrective Action
1. Tank 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