20
3. Operation
●
Connection capacity/battery level meter
In normal operation, the power consumption of devices connected to the capacity/battery level
meter is displayed as a percentage.
BU50SW: Displayed in 3 levels, with 500VA/350W as 100%.
BU75SW: Displayed in 3 levels, with 750VA/500W as 100%.
BU100SW: Displayed in 3 levels, with 1000VA/700W as 100%.
BU150SW: Displayed in 3 levels, with 1500VA/1050W as 100%
When the power consumption of connected devices is 30% or less, the level meter turns OFF.
In Battery Mode, the battery level is displayed as a percentage.
Connection
capacity
Battery level
90% ON 90% or more 60% or more
60% ON 60% or more 30 to 60%
30% ON 30% or more 0 to 30%
All OFF 30% or less —
Connection capacity
during normal operation
Battery capacity dur-
ing Battery Mode
1. Displays and beeps in normal operation
(1) When power switch is OFF
No.
Status
indicator
Power supply
output
lamp
Beep Charging Description Solution
1
None
OFF
No AC input.
_ _
_ _
Operation stopped.
2
None
ON
There is AC input.
Power switch is OFF.
ON
Power switch is ON.
Operating normally.
Bypass
operation
lamp
Battery
replacement
lamp
( indicates blinking)
( indicates the display is ON)
( indicates the display is OFF)
3
None
_ _
2. Displays and beeps while testing
4
None
5
None
OFF
Discharging
Discharging
Self-diagnostic test in progress.
OFF
Auto battery test in progress.
_ _
_ _
3-3
Interpreting beeps and displays
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