EFD Ultra 325TT User Manual page 65

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A NORDSON COMPANY
Symptom
No XYZ-axis Dispensing
Head motion
Dispense syringe barrel
or valve fails to find
Home.
Dispense syringe barrel
or valve starts to move,
then stop and goes
Open Loop
Jerky movements
If the above troubleshooting guide does not resolve your problems, please fill out a Technical
Request Form (Refer to Appendix F) before contacting your local Ultra TT representative.
Table 11.4: Motion Control Troubleshooting
Possible Cause
1. No system power.
2. Servo Amps failed.
3. +48V power supply down.
1. Home flag not positioned
properly.
2. Obstruction preventing machine
motion.
1. Fatal following error due to
excessive tooling weight or
binding in drive systems.
2. Servo Amps failed.
1. Mechanical interference along X,
Y or Z axis.
2. Excessive tool weight.
Ultra TT User's Guide
Recovery Procedures
See System Power recovery
procedures (table 11.1).
Contact a service technician.
Contact a service technician.
Remove obstruction.
Contact a service technician.
Visually inspect the axis for anything
that may be restricting movement.
Check that tool payload does not
exceed 5 kg.
Version 1.2
65