Aerotech AGV-SPO Series, Hardware Manual

Page: 42 / 48

4.3. Troubleshooting
Table 4-1: Troubleshooting
Symptom Possible Cause Possible Solution
Scanners will not
move.
Controller trap or fault. Refer to the controller documentation.
Motor and Feedback
connections Refer to Section 3.1. , Section 3.2. , and the
controller documentation.
Scanners move
uncontrollably
Gains not optimized
Refer to the controller documentation for
tuning instructions.
Encoder signals not
optimized Refer to the controller documentation for
encoder tuning instructions.
Motor and Feedback
connections Refer to Section 3.1. , Section 3.2. , and the
controller documentation
Scanners oscillate or
squeal
Gains not optimized
Refer to the controller documentation for
tuning instructions.
Encoder signals not
optimized Refer to the controller documentation for
encoder tuning instructions.
Reduction in power as
the laser beam passes
through the scan
head
Optical surfaces
contaminated with dirt
and debris
Refer to Section 4.2.
Optical surfaces damaged
Contact Aerotech service and/or a lens
supplier.
AGV-SPO scanner
does not find marker
during homing cycle.
Motor and Feedback
connections Refer to Section 3.1. , Section 3.2. , and the
controller documentation.
Mechanical stops have
shifted
Contact Aerotech service.
Beam motion in the X-
axis is irregular or
does not seem to
emanate from a single
pivot point.
X and XG are not
coordinated correctly
Implement axis coordination per the
comments in the program included with the
system documentation.
Axis home positions
are not in the center
of the marking field. X or XG axis was homed
with axis coordination
active
Reset controller and Home axes prior to
initializing axis coordination. Refer to the
controller documentation for more
information.
4.3. Troubleshooting AGV-SPO Hardware Manual
42 www.aerotech.com