If mains power is available and the UPS has completed the start-up procedure,
on-line mode is automatically activated.
-> If necessary, the battery pack is also charged in this operating mode.
Display/alarm signal:
Just the green LED (NORMAL) is flashing continuously,
no acoustic signal.
If the mains power fails, the UPS switches immediately over to support mode.
Display/alarm signal:
The yellow LED (WARNING) lights up.
The acoustic alert sounds in the following sequence (A);
(beep -> long pause (4 sec.) -> beep -> ..., repeating).
In case of excess of the battery low limit, the acoustic alert sounds in the
following sequence (B);
(beep -> short pause (1 sec.) -> beep -> ..., repeating).