BN
50
S / BN
75
S / BN
100
S / BN
150
S / BN
220
S / BN
300
S
3
25
3-3
Interpreting beeps and displays
1. Displays and beeps in normal operation
No.
Status
indicator
Beep
Charging
Description
Solution
1
None
OFF
2
None
ON
4
3
None
ON
OFF
Standby due to an
insufficient battery charge
None
ON
Output
OFF
OFF
ON
Battery
replacement
lamp
No AC input
Operation stopped
There is AC input
Power switch is OFF
Power switch is ON
Operating normally
( indicates blinking)
( indicates the display is ON)
( indicates the display is OFF)
_ _
_ _
_ _
Automatically starts when
the battery level exceeds
the specified level.
2. Displays and beeps while testing
5
None
6
None
Self-diagnostic test in progress
Auto battery test in progress
OFF
Discharging
OFF
Discharging
_ _
_ _
ON
ON
3. Displays and beeps during power failure or AC input error
7
8
9
10
None
None
In Battery Mode due to power
failure or AC input error
Output will stop if Battery
Mode continues
(Same as above)
Battery level is low, so output
will soon stop
Battery is dead, so output
stopped (This is displayed
only for a few seconds)
Intermittent
4-second
intervals
Intermittent
1-second
intervals
(Same as above)
Perform shutdown operations
for the connected devices
and stop them
Charge the battery
Use within the AC input
voltage/frequency range
described in the
specifications
→
Page 83
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
None
AC input voltage and AC input
frequency are too high
11
None
AC input frequency is
too high
12
None
AC input voltage is too low and
AC input frequency is too high
AC input voltage is too high and
AC input frequency is too low
13
None
AC input voltage is too high
AC input voltage is too low
14
None
15
None
16
None
AC input frequency is too low
17
OFF
Discharging
OFF
Discharging
OFF
Discharging
(ON)
(ON)
(ON)
(ON)
(ON)
(ON)
(ON)
(ON)
AC input voltage and AC input
frequency are both too low
