If the sender and receiver are connected to each other by a cable, the LEDs on the
sender indic
ate the same status as the LEDs on the receiver during normal operation.
The STATE LED on the sender adopts the status of the OSSD LED on the receiver.
If the sender and receiver are not connected with each other, the STATE LED on the
sender lights up yellow when the sender is in operation and no faults are present.
Receiver
P
osition of LEDs: see "Receiver indicators", page 19.
Table 15: LEDs on the receiver during normal operation
LEDs Meaning
OSSD Field Diagnostics LEDs
1 2 3 4 5 6 7 8
O
W
hite
EDM is configured.
O
White
Beam coding 1 or 2 is
conf
igured.
O
W
hite
Restart interlock is config‐
ur
ed.
O R
ed Ö Ö
Yellow/
green
o o o o o o o o
Reset of the configuration
t
o factory settings is acti‐
vated.
O R
ed Ö
Green
The device is in configura‐
t
ion mode following a
change to the configura‐
tion.
O R
ed O
Green
The laser alignment aid of
t
he sender is switched on.
Its own protective field is
clear.
O R
ed O Red
Its own protective field is
int
errupted.
OR
The protective field is
clear.
The reset button has just
been actuated.
O R
ed Ö Yel‐
low
The protective field is
c
lear.
Reset required.
Ö Y
el‐
low
The reset pushbutton is
de
fective or is being actu‐
ated continuously. Check
the wiring of the reset
pushbutton.
O R
ed Ö Yel‐
low
EDM warning: The EDM
in
put has no signal. Check
contactors and wiring.
Switch the voltage supply
off and back on again.
o LED of
f. Ö LED flashes. O LED illuminates. Empty cells mean that the LED lights up, flashes, or is off.
If front screen contamination increases in ongoing operation, the laser alignment aid switches on or the alignment
t
akes longer than 3 seconds, the receiver shows the alignment quality again.
9 O
PERATION
74
O P E R A T I N G I N S T R U C T I O N S | deTec4 Ex 8022883/2019-03-07 | SICK
Subject to change without notice
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