29
4. Operation
4-3 Interpreting beeps and displays
Status
indicator
No.
1
2
3
Battery
replacement
Beep
Output Charging
Description
Solution
None
None
None
OFF
ON
ON
OFF
OFF
ON
No AC input
Operation stopped
—
—
—
There is AC input
Power switch “OFF”
Power switch “ON”
Operating normally
1. Displays and beeps during normal operation
indicates blinking
4
5
None
None
OFF
Discharging
OFF
Discharging
ON
ON
Self-diagnostic test in progress
—
—
Auto battery test in progress
2. Displays and beeps while testing
6
7
8
None
Intermittent
4-second
intervals
Intermittent
1-second
intervals
OFF
Discharging
OFF
Discharging
OFF
Discharging
ON
ON
OFF
Backup is operating due to power failure or
AC input error. The battery will be depleted
if backup operation continues.
Perform shutdown
operations for the
connected devices
and stop them.
(Same as above.)
Charge the battery.
(Same as above.)
Battery level is low, so output will stop soon.
Battery is dead, so output stopped.
(This is displayed only for a few seconds.)
9
10
None
None
(ON)
(ON)
OFF
OFF
AC input voltage or frequency is
too high (over)
Power switch “OFF”
Use within the input
voltage/frequency
range described in
the specifications.
(Same as above.)
AC input voltage or frequency is
too low (under)
Power switch “OFF”
3. Displays and beeps during power failure or AC input error
11
Intermittent
0.5-second
intervals
ON, or
Discharging
ON
Reduce the number
of connected
devices until the
display appears as
in status No. 3.
There are too many connected devices and
the rated capacity is exceeded. If this
status continues for 5 minutes or more, the
status No. 12 occurs and output stops.
12
Continuous
ON, or
Discharging
OFF
Turn OFF this unit
and all connected
devices. Reduce the
number of connected
devices, and then turn
ON this unit and the
connected devices.
Stopped due to excess connection
capacity. When the connection capacity is
120% or more, the unit immediately enters
this status without first entering status No. 11.
4. Displays and beeps when there is an equipment failure
