Meaning in display mode D
In display mode D, the port LEDs indicate whether the port is monitored.
LED color LED status Meaning
- O Port is not monitored.
Green On Port is monitored for "Link up".
Error handling is triggered when the port changes to the
active status.
If a link has been established at the port, but it should not
be available, the signaling contact indicates an error.
Yellow On Port is monitored for "Link down".
Error handling is triggered when the port changes to the
inactive status.
If no valid link has been established at the port (e.g. the
communication partner is switched o or the cable is not
connected), the signaling contact indicates an error.
4.7.3 "F" LED
The "F" LED shows the fault/error status of the device.
Meaning during device startup
LED color LED status Meaning during device startup
- O Device startup was completed successfully.
Red On Device startup is not yet completed or errors have occurred.
Red Flashing There are errors in the rmware.
Meaning during operation
LED color LED status Meaning during operation
- O The device is operating free of errors. The signaling contact is
closed.
Red On The device has detected a problem. The signaling contact has
opened.
4.7.4 LEDs "L1" and "L2"
The "L1" and "L2" LEDs indicate the current range of the power supply at connectors L1 and L2.
The meaning of the "L1" and "L2" LEDs depends on the set display mode, see section "LEDs
"DM1" and "DM2" (Page39)".
Description of the device
4.7LED display
SCALANCE XR-300
Operating Instructions, 03/2023, C79000-G8976-C586-02 37
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