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The "F" LED for the fault status
The "F" LED (fault) provides information on the error/fault status of the device. While the device
is starting up, this LED has the following meaning:
LED color
LED status
Meaning during the device startup
-
off
Device startup completed successfully.
red
on
Device startup not yet completed or a fault/error has occurred.
red
flashes
Bad firmware image.
During normal operation, the "F" LED provides the following information:
LED color
LED status
Meaning during operation
-
off
No operating problems.
red
on
The device has detected an error. The signaling contact opens.
The "DM" LED for the display mode
The "DM" LED (Display Mode) indicates which of the four display modes A, B, C or D is
currently active. The meaning of the L1, L2 and P1, P2, ... LEDs depends on the display mode.
LED color
LED status
Meaning
-
off
Display mode A
green
on
Display mode B
orange
on
Display mode C
yellow/orange
flashes
Display mode D
Selecting the display mode
Press the SELECT/SET button to set the required display mode. If the SELECT/SET button is
not pressed for longer than a minute, the device automatically changes to display mode A.
Pressing the SELECT/SET button
starting at display mode A
Status of the "DM" LED
Display mode
-
off
Display mode A (default mode)
Press once
lit green
Display mode B
Press twice
lit orange
Display mode C
Press 3 times
flashes yellow/orange
Display mode D
The "L1" and "L2" or "L" LEDs for the power supply
Whereas on other devices, the "L1" and "L2" LEDs indicate information about the power, on the
SCALANCE X306-1LD FE, this is done by the "L" LED. A redundant power supply for this
device can be recognized by the color of the LED.
Device description
4.3 LED display
SCALANCE XR-300M
Compact Operating Instructions, 11/2019, A5E02661171-15
23
Summary of Contents for SCALANCE XR-300M
Page 10: ...Introduction SCALANCE XR 300M 10 Compact Operating Instructions 11 2019 A5E02661171 15 ...
Page 12: ...Safety notices SCALANCE XR 300M 12 Compact Operating Instructions 11 2019 A5E02661171 15 ...
Page 82: ...Index SCALANCE XR 300M 82 Compact Operating Instructions 11 2019 A5E02661171 15 ...