Fault Led "F" (Yellow/Red Led) - Siemens SCALANCE X-200 Operating Instructions Manual

2.3.3

Fault LED "F" (yellow/red LED)

The fault LED indicates a fault/error on the X-200. If the X-200 detects an error, the signaling
contact is opened at the same time assuming that the response of the signaling contact was
not configured differently.
The meanings of the fault LED display are as follows:
LED color LED status
Yellow Lit
Red Lit
Red Flashing
- Off
SCALANCE X-200
Operating Instructions, 02/2018, C79000-G8976-C284-12
Meaning
The LED can only adopt this status with FM devices.
Check the received power or the loss of power on optical connections. If necessary,
replace the parts.
The fault LED lighting up can have the following meanings:
Link down event on a monitored port
•
Loss of the power supply
•
C-PLUG error
•
Device is in PROFINET mode:
•
– There is no connection to the controller.
– There is a connection to the controller. A configured diagnostics interrupt is
also pending, for example power fail interrupt, C-PLUG interrupt etc.
Redundancy manager connected through
•
Switchover of standby connection
•
A defined value was undershot in a monitored optical connection.
•
A loop was detected.
•
Device startup. The LED lights up for approximately 20 seconds.
•
Internal error detected. Notify maintenance personnel. If necessary, send the device
in for repair.
No error detected.
Description of the device
2.3 The LEDs
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