BN75R/BN150R/BN300R
2
22
(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:
→Operationisabnormal.Checkthestatusoflampsand
beep, and then press and hold the power switch for 2 sec-
onds or longer to turn OFF the power.
• 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 28, take the neces-
sary measures and then go back to (1) on page 21.
• If no Battery Mode is performed and the UPS and the
devices connected to the UPS stop, this may be attrib-
utedtoaninsufcientbatterycharge.
After connecting the AC input plug to a wall outlet (com-
mercial power) and charging the battery, go back to step
(4) on page 21.
• If the problem persists after checking the 2 points above,
contact us; ____
Beeper ON/OFF can be set with “Setting” - “Local Setting” - “Audible Alarm” in the menu
on the LCD.
(6) Reconnect the AC input plug to the commercial power source.
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.
Status indicator Beep Output Description
Intermittent
4-second
intervals
ON
Backup is operating due to power failure or AC input error. Output will
stop if Battery Mode continues.
Intermittent
1-second
intervals
ON
(Same as above.)
Battery level is low, so output will stop soon.
None OFF Battery is dead, so output stopped.
Status indicator Description
Power switch “ON”
Operating normally
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