ABB i-bus EIB SV/S 30.320.5 Mode D'emploi page 21

Commissioning/Operation
Commissioning:
Switch on power supply. The „ON" LED lights
up. In case the „ON" LED doesn't light up,
remedy the cause of the fault (short circuit or
overload). Reset the bus line by disconnecting
the bus connection terminal for about 20s.
Operation:
The „ON" LED is green – the unit is operating
properly.
The „ON" LED doesn't light up green - remedy
the cause of the fault (short circuit or overload).
Reset the bus line by disconnecting the bus
connection terminal for about 20s.