BU
75
RW/BU
100
RW/BU
200
RW/BU
300
RW
2
23
(5) In Battery Mode, check the unit's LED display and beep sound.
Does the status indicator appear as one of those shown below?
If not the same as one of those shown above:
→
Operation is abnormal. Check the status of lamps and beep
and turn OFF the Power Switch.
• If the display is one of those shown in “4. Displays and
beeps when there is an equipment failure” in “3-3 Inter-
preting beeps and displays” on page 31, take the neces-
sary measures and then go back to (1) on page 22.
• If no Battery Mode is performed and the UPS and the
devices connected to the UPS stop, this may be attrib-
uted to an insuf
fi
cient battery charge.
For the BU75RW/BU100RW: After connecting the AC
input plug to a wall outlet (commercial power) and wait-
ing 8 hours for the battery to charge (24 hours when an
additional battery unit is connected), go back to step (4)
on page 22.
For the BU200RW/BU300RW: After connecting the AC
input plug to a wall outlet (commercial power), turning
ON the INPUT PROTECTION switch (input overcurrent
protection switch) on the back of the unit, and waiting at
least 8 hours for the battery to charge (24 hours when an
additional battery unit is connected), go back to item 4
on page 22.
• If the problem persists after checking the 2 points above,
contact us; ____
See also
Setting switch can be used to turn the beeper ON/OFF.
→
Page 35
(6) Reconnect the AC input plug to the commercial power source.
Turn ON the INPUT PROTECTION switch (input overcurrent protection switch)
on the back of the BU200RW/BU300RW.
The status indicator returns to its normal state and the beeping sound stops.
(The status is as shown below.)
Checking the operation is now complete.
Installation and connection is now complete.
( indicates blinking)
Status indicator
Beep
Output
Charging
Description
Intermittent
4-second
intervals
ON
OFF
Discharging
Backup is operating due to power failure or AC input er-
ror. Output will stop if Battery Mode continues.
Intermittent
1-second
intervals
ON
OFF
Discharging
(Same as above.)
Battery level is low, so output will stop soon.
None
OFF
OFF
Discharging
Battery is dead, so output stopped. (This is displayed
only for a few seconds.)
Status indicator
Description
Power switch “ON”
Operating normally
