Omron BU2002RWL, Instruction Manual

Page: 33 / 78

2
.Installation and connection
21
When you finish connecting the unit, confirm that the backup operation works properly.
Check that the Battery Mode is performed normally according to the following procedure.
(In this operation check, the effects of a power failure are reproduced by disconnecting the AC input
plug from the wall outlet (commercial power).)
(1) Press and hold the unit’s power switch for 3 seconds or longer to turn ON the power.
The beeper sounds and the current settings are displayed on the LED.
Self-diagnosis starts automatically.
When the self-diagnosis test finishes normally, the unit’s operation switches to commercial power
and the status indication below is displayed.
(2) Bring all the connected devices into operation.
(Including devices connected to the AC outlet of your PC.)
The unit was charged before shipment, but it may have self-
discharged during shipment, resulting in a reduced backup
time. We recommend charging the unit before use.
(3) Under this condition, check the the unit's LCD and beep sound.
Are they in the same status as shown below?
Status indicator
Beep None
Power supply output receptacles Outputs power (connected devices are powered)
If the same as the one shown above: → The operation is normal. Proceed to (4).
If not the same as the one shown above: → The operation is abnormal. One of the cases described in
"4. Display and beeps when there is an equipment failure"
of "3-3 Interpreting beeps and displays" on page 29 must
apply.
Take necessary measures and then proceed to (4).
(4) Disconnect the unit’s AC input plug from the wall outlet (commercial power). When the AC
input cable is connected to the terminal block, turn off the external breaker.
The unit enters Battery Mode.
2-5 Checking the operation
Status indicator Description
Power switch “ON”
Operating normally
ON OFF
ON, OFF, or blinking
depending on status
ESC