NDC BETA LaserMike LaserSpeed Pro 8500-4, Instruction Handbook Manual

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17-14 LaserSpeed Pro 8500-4 Instruction Handbook: Troubleshooting Guide
External optical
switches misaligned
Gauge misalignment Verify that the optical switches
are properly aligned.
If using transmissive sensors,
verify that the transmitter is
pointed directly at the receiver.
Install a lens on the transmitter
to focus the light better onto the
receiver.
Make sure the gauge is aligned to
the product properly as de-
scribed in the
Aligning The
Gauge section.
Part Length Readings are
always 999999.999 Material Present set-
tings improperly ad-
justed. Increase the Material Present Val-
idation Time.
Material Present not detect-
ed
--or—
Material Present flickering
on and off
Note: The laser must be
turned ON.
Object interfering with
beam path
Dirty quick change
window
Environmental condi-
tions
(i.e. roll coolant, or
coolant mist, spray and
fume) may be interfer-
ing with the optical
path)
Inspect laser beam path and re-
move object or obstruction
Check Quick change window for
contamination
Clean or exchange quick change
window.
Check for coolant mist, spray and
fume in optical path of gauge.
(Purchase and install NDC Tech-
nologies beam path air purge if
currently not using such a de-
vice.)
Check and adjust air pressure
utilities supplied to beam path air
purge
If roll coolant is gathering (col-
lecting) on the measured surface