BN
50
S / BN
75
S / BN
100
S / BN
150
S / BN
220
S / BN
300
S
2
17
After you
fi
nish connecting devices to the unit, make sure the backup function operates properly.
Check that the Battery Mode is performed normally according to the following procedure.
(This operation check simulates a power failure by disconnecting the AC input plug from a wall
outlet.)
(1) Turn ON the unit's power switch.
The beeper sounds and the current settings are displayed on the LED.
After 5 secounds, the self-diagnostic test is performed in Battery Mode for approximately 10
seconds.
When the self-diagnostic test finishes successfully, switching to AC output from commercial
power is performed and the the display below is shown.
(If the battery voltage is low, the self-diagnostic test is not performed and the operation starts
immediately, using output from commercial power.)
(2) Bring all the connected devices into operation.
(Including devices connected to the AC outlet of your PC.)
Operate the devices in a way in which abrupt power stop does not damage the connected
devices, data, etc.
(3) Under this condition, check the the unit's LED display and beep sound.
Are they in the same status as shown below?
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 a beep and displays" on page 25 must
apply.
Take necessary measures and then proceed to (4).
(4) Disconnect the AC input plug of this unit from a wall outlet (commercial power).
The UPS enters Battery Mode.
Status indicator
Beep
None
Power supply output receptacles
Outputs power (connected devices are powered)
2-4
Checking the operation
Status indicator
Description
Power switch “ON”
Operating normally
