SICK C4-RD, Operating Instructions Manual

Page: 58 / 80

Table 8: Fault indicator on the sender
LED Possible cause Troubleshooting
PWR ERR
o o
No operating voltage or operating
voltage is too low or internal fault
b
Check the voltage supply, see
"Technical data", page 61 .
b
Switch the voltage supply off and
then on again.
b
If the fault persists, replace the
sender,
see "Ordering informa‐
tion", page 67 .
o Ö Red
The voltage was too high when oper‐
ating the sender.
b
Check the voltage supply, see
"Technical data", page 61 .
b
Replace the sender, see "Order‐
ing information", page 67 .
O
Yellow
Ö
Red
Fault in the supply voltage
b
Check the voltage supply and the
power supply unit,
see "Technical
data", page 61 .
b
Switch the voltage supply off and
then on again.
b
If the fault persists, replace
the defective components,
see "Ordering information",
page 67
.
Ö
Yellow
Ö
Red
The sender identified an internal
fault.
b
Switch the voltage supply off and
then on again.
b
If the fault persists, replace the
sender,
see "Ordering informa‐
tion", page 67 .
o
LED off.
Ö
LED flashes.
O
LED illuminates.
Receiver
Position of LEDs: see "Receiver indicators", page 12 .
Table 9: Fault indicator on the receiver
Light emitting diodes Possible cause Troubleshooting
OSSD ERR Alignment quality
1 2 3 4
O
Red
Ö
Red
Ö
Blue
o o o
An internal fault has occurred.
b
Switch the voltage supply
off and then on again.
b
If the fault persists, replace
the receiver,
see "Ordering
information", page 67 .
O
Red
Ö
Red
o Ö
Blue
o o
Fault in the supply voltage
b
Check the voltage supply
and the power supply
unit,
see "Technical data",
page 61 .
b
Switch the voltage supply
off and then on again.
b
If the fault persists, replace
the receiver,
see "Ordering
information", page 67 .
10
TROUBLESHOOTING
58 O P E R A T I N G I N S T R U C T I O N S | C4-RD 8025644/19Z2/2021-03-09 | SICK
Subject to change without notice