8 kHz Galvo-Resonant Scanner and Controller
Chapter 6: Maintaining the LSK-GR08(/M)
Rev B, May 20, 2019
Page 19
6.2.
Troubleshooting
Problem
Solution
RES STATUS and/or GALVO
FAULT LED turns on.
Check all cable connections.
Make sure the Scan Head is free from
any obstruction.
Unplug and replug the power supply.
Scanner has exceeded the maximum
recommended
mechanical/electrical
range. There are internal mechanical
stops within the scanner that prevent it
from spinning a full 360
, however during
a fault state, the current must be shut off
before the rotor reaches these internal
stops.
Please contact Thorlabs Technical Support
for assistance.
CAUTION
DO NOT let the system stay in this over-
position indefinitely. This may damage
the scanner.
Front panel power LED does
not
turn
on
when
the
controller is turned on.
Check the power supply connection.
Check the fuse in the Controller (see
for details).
