Description of the device
1.3 LED display
SCALANCE M874, M876
12
Operating Instructions, 06/2015, C79000-G8976-C331-05
1.3
LED display
1.3.1
SCALANCE M874-2, M874-3
LED
Status
Meaning
F
OFF
No fault/error.
ON
The device is starting up or an error has occurred.
Possible errors/faults:
•
Wrong PIN number
Flashing
The bootloader waits in this state for a new firmware file that you can
download using TFTP.