®
A NORDSON COMPANY
Ultra TT User's Guide
Version 1.2
65
Symptom
Possible Cause
Recovery Procedures
1. No system power.
See System Power recovery
procedures (table 11.1).
2. Servo Amps failed.
3. +48V power supply down.
1. Home flag not positioned
Contact a service technician.
properly.
2. Obstruction preventing machine
Remove obstruction.
motion.
1. Fatal following error due to
excessive tooling weight or
binding in drive systems.
2. Servo Amps failed.
1. Mechanical interference along X,
Visually inspect the axis for anything
Y or Z axis.
that may be restricting movement.
2. Excessive tool weight.
Check that tool payload does not
exceed 5 kg.
Table 11.4: Motion Control Troubleshooting
Jerky movements
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
Contact a service technician.
Contact a service technician.
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.