Operating Guide

Back-UPS BE425M/425M-LM, BN450M/450M-CA
5
Status Indicators
LED
Flashes
Sensitivity
Setting
Input Voltage
Range
(AC Operation)
Recommended Use
Green LOW 88 Vac to 142 Vac Use this setting with equipment that is
less sensitive to fluctuations in voltage
or waveform distortions.
Red MEDIUM 92 Vac to 139 Vac Factory default setting. Use this setting
under normal conditions.
Amber HIGH 96 Vac to 136 Vac Use this setting when connected
equipment is sensitive to voltage and
waveform fluctuations.
Status
Power Button
illumination
Audible
Indicator On
Audible Indicator
Terminates
Power On
The Back-UPS is supplying AC power to
connected equipment.
Solid green None N/A
On Battery
Back-UPS supplying battery power to
battery backup outlets.
Solid green
and flashes
twice every 2
seconds.
The audible
alarm
depends on
the On
Battery
Indicator
mode
setting. See
the On
Battery
Indicator
Modes
section for
full details.
- Using Quick Mute
- Beeping stops when AC
power is restored or the
Back-UPS is turned off.
Applies only to modes
where the on battery
alarm is audible.
Low Battery notification
The Back-UPS is supplying battery
power to the battery backup outlets and
the battery is near a total discharge state.
Flashes green
in rapid
succession.
Low Battery shutdown
The battery has been completely
discharged while the Back-UPS is on
battery, the UPS will shut down.
None - AC power is restored
- AC is not restored within
32 seconds
- The Back-UPS is turned
off.
Sleep Mode
The UPS has shut down and will
“awaken” once AC power is restored
None None N/A
Replace Battery
• The battery is disconnected.
• The battery needs to be charged, or
replaced.
• Alternates
green-red
•Constant
tone
- Back-UPS is turned off
- If battery is disconnected,
unplug the Back-UPS
from AC source and then
turn it off. Refer to the
section “Connect the
Battery” on page 2.
- If battery needs
replacement, refer to the
section “Battery
Replacement” on page 8
for details.
Detected Overload
An overload condition has occurred in
one or more of the battery backup outlets
while operating on battery power.
None Constant
tone
Back-UPS is turned off