SICK deTec4

LEDs End cap with
int
egrated
LED
Possible cause Troubleshooting
OSSD Fiel
d
Diagnostics LEDs
1 2 3 4 5 6 7 8
O
R
ed
Ö
R
ed
o O
Red
o o o o Ö
Red
o Ö Red
Incompatible con‐
f
iguration of the
devices in a host–
guest–guest cas‐
cade.
b
Chec
k 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,
see "Configuration",
page 91.
O
R
ed
Ö
R
ed
o O
Red
o o o o Ö
Red
Ö
Red
Ö Red
Communication
f
ault between the
receivers in a
host–guest cas‐
cade.
b
Chec
k 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
R
ed
Ö
R
ed
o O
Red
o o o Ö
Red
o o Ö Red
Communication
f
ault between the
receivers in a
host–guest–guest
cascade.
b
Chec
k 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
R
ed
Ö
R
ed
Ö
Red
o o o O
Red
o o o Ö Red
The number of
per
mitted override
states for muting
or Smart Box
Detection has
been exceeded.
b
S
witch the voltage
supply off and back
on again.
Ö
Yel‐
low
Reset pushbutton
f
ault.
b
Chec
k 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