Siemens SIMATIC ET 200eco PN M12-L Equipment Manual page 28

Meaning of the LEDs
The following tables set out the meaning of the status and error displays. Measures for
dealing with diagnostics alarms can be found in the section Diagnostics alarms (Page 30).
Behavior of the LEDs RN/NS (RUN/network status), ER/MS (ERROR/module status) and MT/IO
(MAINT/IO status) on PROFINET
Table 4- 3
RN/
NS
Off
On
Flashes
On
Not
relevant
I/O device digital inputs DI 8x24VDC M12-L 8xM12 (6ES7141-6BG00-0BB0)
Equipment Manual, 02/2022, A5E46570417-AC
Fault display of the LEDs
LEDs
ER/ MT/
MS IO
Missing or insufficient supply
voltage at the I/O device.
Off Off
Test of LEDs during startup: The
three LEDs light up simultane-
On On
ously for approximately 0.25 s.
The three LEDs light up simul-
taneously for approximately 2 s
while "Reset to factory settings"
is running.
The ET 200eco PN is disabled.
Off Off
The ET 200eco PN is not or
incorrectly configured.
The ET 200eco PN is starting up. ---
The ET 200eco PN is being as-
signed parameters.
Loading firmware (when the
firmware update is performed
during startup, all LEDs retain
their current status)
Not Not relevant The ET 200eco PN is currently
relevant exchanging data with the IO
controller.
Not relevant Module diagnostics is available
Flashes
The preset configuration does
not match the actual configura-
tion.
Parameter error
4.2 Interrupts/diagnostics alarms
Meaning
Check the supply voltage.
---
---
Activate the ET 200eco PN with
the configuration software or
via the user program.
Configure the ET 200eco PN via
the configuration software.
Evaluate the diagnostics and
eliminate the error.
Check the configuration of the
ET 200eco PN.
Correct the errors in the param-
eter assignment.
PROFINET IO
Solution
27