Siemens SIMATIC ET 200eco PN M12-L Equipment Manual page 51

EtherNet/IP
5.2 Diagnostics
RN/
NS
Flashes
Flashes
PWR LED
Table 5- 4
P1 LK and P2 LK LEDs
Table 5- 5
P1 LK
50
LEDs
ER/ MT/
MS IO
Flashes Flashes
Flashes Flashes
Status display of the PWR LED
PWR LED Meaning
Load voltage 2L+ is missing or too low
Off
Load voltage 2L+ present
On
Error display of the P1 LK and P2 LK LEDs
LEDs
P2 LK
There is no Ethernet connection between the com-
munications interface of your IO device and a com-
Off
munication partner (e.g. scanner).
There is an Ethernet connection between the com-
munications interface of your IO device and a com-
On
munication partner (e.g. scanner).
The "Node flash test" is running (the RN/NS, ER/MS
and MT/IO LEDs also flash).
Flashes
Digital inputs/outputs DIQ 16x24VDC/0.5A/2A M12-L 8xM12 (6ES7143-6BH00-0BB0)
Meaning
Hardware or firmware defective.
The "Node flash test" is running (the P1 LK
and P2 LK LEDs are also flashing).
Meaning
• You can read out
the service data
with MFCT.
Remedy
Check whether the bus cable
to the switch/communication
partner is interrupted.
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Equipment Manual, 02/2022, A5E46571210-AC
Remedy