-２６-
again for more than 1 second to resume
the alarm function.
2) When the battery capacity decreases,
the number of the battery capacity LEDs
turned on will be reduced. If the battery
voltage descends to the alarm level, the
buzzer will beep once every second to
remind the users of insufficient battery
capacity and the UPS is soon going to
shut down automatically. Then the load
operations should be carried out
promptly and the loads should be
eliminated one by one.
15.3 Bypass mode
The display panel in bypass mode is shown
in the following diagram Fig 15.3. The AC
INPUT LED and the bypass LED are turned
on. The displayed number of the load LEDs
will be turned on in accordance with the load
capacity connected. The UPS will beep once
every 2 minutes in bypass mode.
The AC INPUT LED flashes, it shows that the
voltage or frequency of the utility power has
exceeded the normal range of the UPS.
1）Other indications on the display panel are
the same in utility mode.
2）The UPS does not have the backup
function when it is in bypass mode. The
power used by the load is supplied from the utility power via internal filter.
15.4 Abnormality mode
In case the fault LED is turned on when the UPS is in use, it shows that the UPS is
operating in abnormal mode.
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