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3. Operation
● Connection capacity/battery level meter
In Commercial Power Mode (normal operation), the power consumption of devices connected to the capac-
ity/battery level meter is displayed as a percentage.
BU1002SW: Displayed in 3 levels, with 1000VA/700W as 100%.
BU3002SW: Displayed in 3 levels, with 3000VA/2100W 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
● Operation during recovery from a power failure
• If a power failure or abnormal power input is resolved while the UPS supplies power, it returns to the
commercial power output status automatically. Charging the consumed battery starts.
• If a power failure or abnormal power input is resolved after the battery is discharged completely and
power output is stopped, the UPS restarts automatically and resumes power output. The expended
battery begins to charge.
See also
Setting switch 2 can be used to select whether or not auto restart is performed. See Page 43
● Stop procedure
Operation
Turn ON the power switch of the UPS.
• The power output from the UPS stops.
• Even if you turn off the power switch, if AC is supplied from commercial power, the battery is automati-
cally charged.
Status
indicator
Battery
replacement
Beep Output Charging Description
None ONOFF
There is AC input
Power switch “OFF”
90% lamp 90% or more 60% or more
60% lamp 60% or more 30 to 60%
30% lamp 30% or more 0 to 30%
All OFF 30% or less —
In Commercial Power Mode
Connection capacity
Indicator is ON
Indicator is ON In
Battery Mode Battery
level Indicator blinks
* In Commercial Power Mode (normal operation), the battery level is displayed when the beeper stop/
test switch is pressed.
(Please note that if the button is pressed and held for 5 seconds or more, the beeper begins to sound
and the self-diagnostic test starts.)