LEDs
End cap with
integrated
LED
Possible cause
Troubleshooting
OSSD Fiel
d
Diagnostics LEDs
1
2
3
4
5
6
7
8
O
Red
Ö
Red
o
O
Red
o
o
o
o
Ö
Red
o
Ö
Red
Incompatible con‐
figuration of the
devices in a host–
guest–guest cas‐
cade.
b
Check the configu‐
ration of the devi‐
ces. If the sender
and receiver are
connected to each
other, also check
the configuration of
the sender.
b
Switch the voltage
supply off and back
on again.
b
If the fault persists,
reset the device
to factory settings
and reconfigure it,
O
Red
Ö
Red
o
O
Red
o
o
o
o
Ö
Red
Ö
Red
Ö
Red
Communication
fault between the
receivers in a
host–guest cas‐
cade.
b
Check the cascade
wiring.
b
Switch the voltage
supply off and back
on again.
b
If the fault con‐
tinues to persist,
replace the defec‐
tive components,
see "Ordering infor‐
mation", page 150
.
O
Red
Ö
Red
o
O
Red
o
o
o
Ö
Red
o
o
Ö
Red
Communication
fault between the
receivers in a
host–guest–guest
cascade.
b
Check the cascade
wiring.
b
Switch the voltage
supply off and back
on again.
b
If the fault con‐
tinues to persist,
replace the defec‐
tive components,
see "Ordering infor‐
mation", page 150
.
O
Red
Ö
Red
Ö
Red
o
o
o
O
Red
o
o
o
Ö
Red
The number of
permitted override
states for muting
or Smart Box
Detection has
been exceeded.
b
Switch the voltage
supply off and back
on again.
Ö
Yel‐
low
Reset pushbutton
fault.
b
Check that the
reset pushbutton
is working. The
reset pushbutton
may be defective
or is being pressed
continuously.
b
Check the wiring of
the reset pushbut‐
ton.
TROUBLESHOOTING
11
8021645/1EB0/2022-04-28 | SICK
O P E R A T I N G I N S T R U C T I O N S | deTec4
137
Subject to change without notice
