The device has an LED for every network interface.
For PROFINET and PROFIsafe the device has two additional LEDs.
9.3.2.1
LEDs for network interfaces
The device has an LED for every network interface.
Table 19: LEDs for network interfaces, labeling: Link/Act
LED status
Meaning
Troubleshooting
o
No supply voltage
No Ethernet connec‐
tion
b
Check the voltage supply.
b
Check the network cable.
b
Check whether the device at the other end
of the network cable is switched on.
O
Green
Ethernet connection
established
–
Ö
Yellow
Data transmission
–
9.3.2.2
PROFINET LEDs
The device has two PROFINET LEDs. These LEDs are used collectively for both
PROFINET connections.
Table 20: Bus error LED, inscription: BF
LED status
Meaning
Troubleshooting
o
No supply voltage
or PROFINET commu‐
nication not active or
device is not config‐
ured
b
Check power supply, wiring and connected
communication partners.
b
Restart device.
b
Check the configuration of the device.
O
Green
PROFINET communi‐
cation is active
–
Ö
Green
No connection to con‐
trol unit
b
Check PROFINET names.
b
Check the control unit.
b
Start the controller.
O
Red
Serious error, device
not ready
b
Check device.
b
Restart device.
b
Replace device.
Ö
Red
Incorrect PROFINET
configuration
b
Check the PROFINET configuration, in par‐
ticular F_Dest_Add.
Ö
Red/green
PROFINET alarm is
active
b
Check the cause of the error in the con‐
figuration program of the controller and
observe the help text.
b
Check the alarm in the Safety Designer.
Table 21: System error LED, inscription: SF
LED status
Meaning
Troubleshooting
o
No supply voltage
or PROFIsafe commu‐
nication not initialized
or not active or incor‐
rect process image
selected
b
Trigger or launch PROFIsafe communica‐
tion.
b
Check whether the same process image is
selected in the controller and in the device
(6 bytes or 12 bytes)
O
Green
PROFIsafe communi‐
cation is active
–
OPERATION
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Subject to change without notice