Omron BU2002RWL Instruction Manual page 40

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 terminal block supplied
from the battery.
• The LCD and the beeper's intermittent sounds alert the user.
"Local Settings" in the menu on the LCD can be used to set the beeper ON/OFF.
See also
Status
Beep
indicator
Intermittent
4-second
intervals
Intermittent
1-second
intervals
Intermittent
2-second
intervals
Operation during recovery from a power failure
●
• The unit automatically resumes output via commercial power if it recovers from a pow er
failure/input power supply error while it is providing power supply output. The spent battery
starts charging.
• 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.
"Boot Settings" in the menu on the LCD can be used to enable or disable auto restart.
See also
Stop procedure
●
Press and hold the power switch of the UPS for 3 seconds or longer.
Operation
• The power output from the UPS stops.
Status
Beep
indicator
None
• Even if you turn off the power switch, if AC is supplied from commercial power, the battery is
automatically charged.
Output Description
Backup is operating due to power
ON
failure or AC input error.
Battery level is low, so output will stop
ON
soon.
OFF Battery is dead, so output stopped.
Output Charging
OFF ON Power switch OFF
2002 3002
BU RWL/BU
Shut down the connected devices to
stop them.
Charge the battery.
Description
5002
RWL/BU RWL
Solution
3
28