Omron BU1002SW Instruction Manual page 57

● Operation after a power failure
• If a power failure or abnormal input power supply occurs, the UPS automatically switches to Battery
Mode, continuing power output from the Power Supply Output Receptacles supplied from the battery.
• The status is displayed and the beeper sounds intermittently to alert the user.
Setting switch 1 can be used to turn the beeper ON/OFF. ➛ Page 41
See also
Status Battery
indicator replacement
Intermittent
4-second
intervals
Intermittent
1-second
intervals
Beep Output Charging
OFF
ON
Discharging
OFF
ON
Discharging
OFF
None
OFF
Discharging
Description
In Battery Mode due to power failure or
AC power error.
(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.)
1002 3002
BU SW / BU
( indicates blinking)
Solution
Perform shutdown
operations for the
connected devices
and stop them.
(Same as above.)
Charge the battery.
SW
3
35