OPERATION
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Z800-3000_usermanual_engl_updated_202001.docx
4.4 Operating statuses
The status of the UPS system is displayed on the control panel.
Normal operating mode
Figure 15: Normal mode display
In normal mode, “OK” is shown on the display and the UPS system is
fed by the supply network. The UPS system monitors the batteries and
charges them as required. The load connected is supplied with power.
Battery mode
In battery mode, the following display appears:
Figure 16: Battery mode display
At the same time, an acoustic alarm every 5 seconds indicates that
the load connected is being supplied with battery power.
If the battery charge is low in battery mode, the display shows “BL”,
starts flashing and the alarm sounds every 2 seconds. The remain-
ing autonomy time is low. Close all applications, as the UPS is about
to shut down automatically.
If the battery is exhausted, the UPS system shuts itself down. All dis-
plays and the alarm are switched off.
