SICK deTec4 Ex - Page 84

LEDs Possible cause Rectification
STATE Field
o Ö R
ed
The voltage is or was too
hi
gh when operating the
sender.
b
Chec
k the voltage sup‐
ply, see "Technical
data", page 89.
b
Replace the sender, see
"Ordering information",
page 98.
o LED of
f. Ö LED flashes. O LED illuminates.
1)
If the sender and receiver are connected by a cable, the LEDs on the sender indicate 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.
Receiver
P
osition of LEDs: see "Receiver indicators", page 19.
Table 21: Fault indication on the receiver
LEDs Possible cause Troubleshooting
OSSD Field Diagnostics LEDs
1 2 3 4 5 6 7 8
O R
ed Ö
Red
Ö
Red
o o o o o o o
An internal fault has
oc
curred.
b
S
witch the voltage sup‐
ply off and back on
again.
b
If the fault continues to
persist, replace the
receiver, see "Ordering
information", page 98.
O Red Ö
Red
o Ö
Red
o o o o o o
Failure in the voltage
suppl
y.
b
Chec
k the voltage sup‐
ply and the voltage sup‐
ply unit, see "Technical
data", page 89.
b
Switch the voltage sup‐
ply off and back on
again.
b
If the fault continues to
persist, replace the
receiver, see "Ordering
information", page 98.
O R
ed Ö
Red
o Ö
Red
o Ö
Red
o o o o
Permanent error in
t
he voltage supply.
b
R
eplace device, see
"Ordering information",
page 98.
O Red Ö
Red
o Ö
Red
Ö
Red
Ö
Red
o o o o
General error in the
conf
iguration.
b
Chec
k configuration set‐
tings including the per‐
mitted combination of
functions.
b
Make sure that the cor‐
rect system plug is
used.
b
Reset device to factory
settings.
11 T
ROUBLESHOOTING
84
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