11.3.3
Fault indicators
Overview
In the event of a fault, the type of fault is indicated by the LED display on the active unit.
Active unit
Position of LEDs:
Table 30: Fault display on the active unit
LEDs
End cap with inte‐
grated LED
Possible cause
Troubleshooting
OSSD
INFO
Diagnostics LEDs
1
2
3
4
5
6
7
8
O
Red
Ö
Red
Ö
Red
o
o
o
o
o
o
o
Ö
Red
An internal fault has
occurred.
b
Switch the voltage supply off and
back on again.
b
If the fault continues to persist,
replace the active unit,
O
Red
Ö
Red
o
Ö
Red
o
o
o
o
o
o
Ö
Red
Fault in the voltage sup‐
ply.
b
Check the voltage supply and the
power supply unit,
.
b
Switch the voltage supply off and
back on again.
b
If the fault continues to persist,
replace the active unit,
O
Red
Ö
Red
o
Ö
Red
o
Ö
Red
o
o
o
o
Ö
Red
Permanent error in the
voltage supply.
b
Replace device,
O
Red
Ö
Red
o
Ö
Red
Ö
Red
Ö
Red
o
o
o
o
Ö
Red
General error in the con‐
figuration.
b
Check configuration settings
including the permitted combina‐
tion of functions.
b
Make sure that the correct system
plug is used.
b
Reset device to factory settings.
O
Red
Ö
Red
o
o
Ö
Red
Ö
Red
o
o
o
o
Ö
Red
Parity faulty.
b
Check setting of the parity DIP
switch.
b
Switch the voltage supply off and
then on again
11
TROUBLESHOOTING
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O P E R A T I N G I N S T R U C T I O N S | deTem4 A/P
8024782/2019-11-19 | SICK
Subject to change without notice