Diagnostics - Siemens SIMATIC ET 200SP Manual

12.3

Diagnostics

LEDs
The figure below shows the LEDs on the BusAdapter BA LC/RJ45:
①
②
Figure 12-3 BA front LED_LK1_LK2
LEDs LK1/LK2 on the BusAdapter
Table 12-2 Status and error displays
LED
LK1/LK2
There is no Ethernet connection between the Industrial
off
Ethernet/PROFINET interface of your PROFINET device
and a communication partner, e.g. IO controller.
There is an Ethernet connection between the Industrial
on
Ethernet/PROFINET interface of your PROFINET device
and a communication partner, e.g. IO controller.
The "Node flash test" is running. The RN/ER/MT LEDs are
also flashing.
flashes
BusAdapter
Equipment Manual, 10/2022, A5E41449003-AC
LK1 (green)
LK2 (green)
Meaning
BusAdapter BA LC/RJ45
12.3 Diagnostics
Remedy
Check whether the bus cable to the switch
or IO controller is disconnected.
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