3 Checking and starting the operation
3-1 Names and functions of each part of the operation and display sections
BU5002R/BU3002R/BU3002RH
67
3
■ During a power outage
○: ON, ●: OFF
UPS
status
Icon
Symbol
Buzzer Output Charge
Text
displayed
on top
Description
Solution
Battery
mode
○ ○ ●
Intermitt
ent, at
intervals
of 4
seconds
ON
OFF/
Dischar
ging
Battery
mode
The UPS is in backup
operation due to a
power outage or AC
input error. Output
stops if backup
operation is
continuously
performed.
Stop the
connected
devices in use
by shutting
them down
(end
processing).
Battery
low
○ ○ ●
Intermitt
ent, at
intervals
of 1
seconds
ON
OFF/
Dischar
ging
Battery low
The battery level is
low. Output stops
soon.
Stop the
connected
devices in use
by shutting
them down
(end
processing).
Battery
empty
● ● ●
None
OFF
-
bE
Output stopped due to
low battery (displayed
for a few seconds).
Charge the
battery.
