BN
50
S / BN
75
S / BN
100
S / BN
150
S / BN
220
S / BN
300
S
3
23
●
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.
See also
Setting switch 1 can be used to turn the beeper ON/OFF.
➛
Page 30
( indicates blinking)
Status
indicator
Battery
replacement
Beep
Output
Charging
Description
Solution
Intermittent
4-second
intervals
ON
OFF
Discharging
In Battery Mode due to power
failure or AC power error.
Perform shutdown
operations for the
connected devices
and stop them.
Intermittent
1-second
intervals
ON
OFF
Discharging
(Same as above.)
Battery level is low, so output
will stop soon.
(Same as above.)
None
OFF
OFF
Discharging
Battery is empty, so output
stopped.
Charge the battery.
