Diagnostics - Siemens SIMATIC BusAdapter Manual

7.3

Diagnostics

LEDs
The figure below shows the LEDs on the BusAdapter BA 2xLC:
①
②
Figure 7-3
LK1/LK2 LEDs on the BusAdapter
Table 7- 2
BusAdapter
Equipment Manual, 08/2020, A5E41449003-AB
LK1 (green)
LK2 (green)
LEDs on the BusAdapter BA 2xLC
Status and error displays
LED
LK1/LK2
There is no Ethernet connection between
the PROFINET IO interface of your PROFINET
off
device and a communication partner, e.g. IO
controller.
There is no Ethernet connection between
the PROFINET IO interface of your PROFINET
on
device and a communication partner, e.g. IO
controller.
The "Node flash test" is running. The
RN/ER/MT LEDs are also flashing.
flashes
Meaning
BusAdapter BA 2xLC
7.3 Diagnostics
Remedy
Check whether the bus cable to
the switch or IO controller is dis-
connected.
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