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8 Displays and Troubleshooting
8.1.1 Signalling
1. OFF pushbutton Press the button for approx.
2 seconds to switch off the UPS.
2. 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.
3. Bypass LED: The orange-coloured LED lights up
when voltage is supplied via the integrated bypass
of the UPS.
4. Inverter LED: The green LED lights up when
voltage is supplied via the inverter of the UPS
system.
5. Battery LED: The orange-coloured LED lights up
when power is supplied from the battery system.