Power Supply User's Manual

48
8 Displays and Troubleshooting
8.1.1 Signalling
22. OFF pushbutton Press the button for approx.
2 seconds to switch off the UPS.
23. ON button: Press the button for approx. 2 seconds
to switch the UPS on.
Deactivate acoustic alarm: Press the button during
the alarm for approx. 2 seconds to switch off the
alarm.
UPS test: Press this button during normal mode for
approx. 2 seconds to carry out a UPS self-test.
24. Bypass LED: The orange-coloured LED lights up
when voltage is supplied via the integrated bypass
of the UPS.
25. Inverter LED: The green LED lights up when
voltage is supplied via the inverter of the UPS
system.
26. Battery LED: The orange-coloured LED lights up
when power is supplied from the battery system.