Technician's instructions KEY Laser III 1243
2 Measuring and configuration
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2.1 Control unit service program
Description
Colour
operation
ESK
gn
Key-operated switch display. When
the key-operated switch is in ON po‐
sition (or vertical), the LED shines
Shutter
rd
Shines when the shutter is trigge‐
red, i.e. when the shutter circuit is
closed, the shutter circuit is open,
and is off when the shutter is closed
Shutt.Reply
gn
Shutter light barrier signal; LED shi‐
nes when the shutter is open
Absorber
rd
Shines when the absorber is not
triggered, i.e. closed; is off when the
absorber is open
Abs.Reply
gn
Absorber light barrier signal; LED
shines when the absorber is open
supply
gn/rd
Control computer voltage monito‐
ring: Shines green when the volta‐
ges +5V,+12V,-12V are applied via
X8; shines red when one of the vol‐
tages is missing
Status table of the LEDs on the KEY 3 control computer
E = On, shines
A = Off
B = Flashes
* Flashes along with the emission display and hence the pulse
** ‘Shutter’ and ‘Shutt.Reply’ flash along with the set frequency
ye = yellow
gn = green
rd = red
Statuses
LED
1
ye
LED
2
ye
Wdg
2
gn
Wdg
1
gn
K2
rd
Sim‐
mer
gn
ESK
gn
Shut‐
ter
rd
Shutt
. Re‐
ply
gn
Ab‐
sor‐
ber
rd
Para.
Rep‐
ly
gn
Boot process (software not started) A
A
A
A
A
A
E
A
A
E
A
Operating mode without detection
(main screen is displayed, LNT is
still off)
A
A
E
E
A
A
E
A
A
E
A
Operating mode with detection
(main screen is displayed, LNT is
still off)
A
A
E
E
A
A
E
A
A
A
E
Ready model (LNT on)
A
A
E
E
E
E
E
A
A
A
E
Operating mode, LNT on, detection
off (main screen is displayed)
A
A
E
E
E
E
E
A
A
E
A
Service Mode (after starting)
A
A
E
E
A
A
E
A
A
E
A
Ready mode, laser operation, >3Hz B
A
E
E
E
E
E
E
E
A
E
Ready mode, laser operation, <4Hz B*
A
E
E
E
E
E
B**
B**
A
E
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