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AGV-HP(O) Hardware Manual
4.3. Troubleshooting
This section provides some information regarding typical problems.
Table 4-1:
Troubleshooting
Symptom
Scanners will not move.
Scanners move uncon-
trollably
Scanners oscillate or
squeal
Reduction in power as
the laser beam passes
through the scan head
AGV-HP(O) scanner
does not find marker dur-
ing homing cycle.
www.aerotech.com
Possible Cause
Controller trap or fault.
Motor and Feedback con-
nections
Gains not optimized
Encoder signals not
optimized
Motor and Feedback con-
nections
Gains not optimized
Encoder signals not optim-
ized
Optical surfaces con-
taminated with dirt and
debris
Optical surfaces damaged
Motor and Feedback con-
nections
Mechanical stops have shif-
ted
Possible Solution
See Controller documentation to clear fault.
See
Section
3.1.,
Section
3.2., and Controller
documentation
See Controller documentation for tuning instruc-
tions
See
Section .
and Controller documentation for
encoder tuning instructions
See
Section
3.1.,
Section
3.2., and Controller
documentation
See Controller documentation for tuning instruc-
tions
See
Section .
and Controller documentation for
encoder tuning instructions
See
Section 4.2.
for cleaning instructions
Contact Aerotech service and/or a lens supplier
See
Section
3.1.,
Section
3.2., and Controller
documentation
Contact Aerotech service
4.3. Troubleshooting
57
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