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
, 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
, 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
Optical surfaces damaged
Contact Aerotech service and/or a lens
supplier.
AGV-HP(O) scanner
does not find marker
during homing cycle.
Motor and Feedback
connections
Refer to
, and the
controller documentation.
Mechanical stops have
shifted
Contact Aerotech service.
4.3. Troubleshooting
AGV-HP(O) Hardware Manual
60
www.aerotech.com