Power Supply User Manual

6 Signalling and Error Correction

6.1 Signalling

1. OFF push button (OFF): Press the OFF switch

for about 2 seconds to switch on the UPS

2. ON push button (ON): Press the ON switch for

about 2 seconds to switch off the UPS.

Deactivate acoustic alarm: By pressing this

switch for about 2 seconds during the alarm an

acoustic alarm can be deactivated.

UPS Test: To execute an UPS self test press this

button for about 2 seconds in the normal operation

mode.

3. LED Bypass (Bypass): The orange-coloured LED

lights up when the UPS system is supplying voltage

provided by the mains power via the bypass.

4. LED Inverter (Inverter): The green-coloured LED

lights up if the UPS system is supplying voltage

provided by the mains power via the inverter.

5. LED Battery (Battery): The orange-coloured LED

lights up when power is supplied by the batteries.