LED display when voltage is too low
If the power supply is too low, then the internal power supply will switch o causing the Power
LED and all port LEDs to go o. The functionality of the SCALANCE XB-000 is no longer available.
A power supply of at least 19.2 V is necessary for correct operation.
Device defective
If a fault develops, please send the device to your SIEMENS service center for repair. Repairs on-
site are not possible.
Maintenance and troubleshooting
SCALANCE XB-000
56 Operating Instructions, 01/2022, A2B00077300-11