F" Led; Leds "Dm1" And "Dm2 - Siemens SIMATIC NET SCALANCE XM-400 Operating Instructions Manual

Description of the device
4.7 LED display
4.7.4

"F" LED

The "F" LED shows the fault/error status of the device.
Meaning during device startup
LED color
-
Red
Red
Meaning during operation
LED color
-
Red
4.7.5

LEDs "DM1" and "DM2"

The "DM1" and "DM2" LEDs indicate which display mode is set.
There are 5 display modes (A, B, C, D, and E). Display mode A is the default mode.
Depending on the set display mode, the "L1", "L2" LEDs and the port LEDs show different
information.
LED color
-
Green
Green
Green
Green
34
LED status Meaning during device startup
Off Device startup was completed successfully.
On Device startup is not yet completed or errors have occurred.
Flashing There are errors in the firmware.
LED status Meaning during operation
Off The device is operating free of errors. The signaling contact is
closed.
On The device has detected a problem. The signaling contact has
opened.
LED status
DM1 LED
Off
On
Off
On
Flashing
Meaning
DM2 LED
Display mode A
Off Display mode B
On Display mode C
Display mode D
Off Display mode E
Operating Instructions, 09/2018, C79000-G8976-C306-08
SCALANCE XM-400