Siemens SIMATIC NET SCALANCE WUM766-1 - Page 32

Description of the device
4.6 LED display
SCALANCE WxM766
32 Operating Instructions, 03/2022, C79000-G8976-C617-03
LED
Color
Meaning
F
Off
No fault/error.
Yellow:
Sleep mode is active.
Red
The device is booting, an error has occurred or the bootloader is
waiting for a new firmware file, which you can load via TFTP, see
"Loading new firmware via TFTP without WBM and CLI
(Page 67)".
Flashing red
Interval:
2000 ms on /
200 ms off
Firmware on PLUG:
The device is performing a firmware update or downgrade.
Red
Simultaneous
R1 flashing yellow
A competing radar signal was found on all enabled channels.
R1
R2
Flashing green
The LEDs flash for detection of device location.
The "Flash LED" function is activated:
• Either with SINEC PNI
• Or via the WBM page "Discovery and Set via DCP".
Note
Primary user (radar) on all enabled channels
If the device detects a primary user (for example radar signals) on all enabled channels
of the WLAN interface, the LED
F is lit and R1 flashes. No data traffic is then possible
for the next 30 minutes. After this time, the device runs the scan again and c
hecks
whether a primary user still exists. If no primary user is detected, data traffic is possible
again.
The wait time of 30 minutes is necessary due to legal requirements and cannot be
shortened even by restarting the device.