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Shutter State / Error Indicator
Note: The GREEN shutter preparation LED blinking is suppressed if
one or both interlock is not closed.
Lit YELLOW Shutter is open, caution laser
radiation is possible!
Lit RED Shutter temperature display
(after power-up only).
Lit RED (permanent) shutter feedback cross-check
failed.
Flashing RED while the
GREEN Shutter preparation
LED is lit or blinking
Shutter is close to over
temperature.
Blinking RED while GREEN
shutter preparation LED is
blinking
A shutter over temperature, or
sensor fail (<10°C) had
occurred. Therefore the laser
was switched off. Restart is
possible.
Flashing RED while GREEN
shutter preparation LED is off
A shutter temperature sensor
fail (<10°C) is present.
Therefore the laser is switched
off.
Blinking RED while GREEN
shutter preparation LED is off
A shutter over temperature is
present. Therefore the laser is
switched off.
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