15
4.2.2 Battery mode
In battery mode the display on the front panel is shown in the following
diagram. The battery indicator and the inverter indicator are turn on. If the
utility power indicator blinks at the same time, it shows that the utility power
is abnormal. The load/battery capacity indicators will be turn on in accor-
dance with the battery capacity. Please note that the load/battery capacity
indicator in normal mode will indicate the battery capacity in battery mode.
1. When the ups is running in battery mode, the alarm will beep every 4
seconds. If the “Function” key is pressed for more than 2 seconds, the
alarm will not beep（silence function）. Press the “Function” key more
than 2 seconds again to resume the alarm function.
4 Operation
2. When the battery capacity decreases, the number of load/battery capac-
ity indicators turned on will decrease. If the battery voltage drops to the
pre-alarm level (capable of maintaining the backup time for more than 2
minutes), the alarm will beep every second to remind the user of insuffi-
cient battery capacity. Then, the load operations should be carried out
promptly and the load will be eliminated one by one.
3. It is possible to check the backup function via the UPS even though
utility power is not connected.
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