Datasheet

User Manual BE550MC4
Operation
Turn On the Back-UPS
Press the Power On button located on the top of the Back-UPS. The Power On LED will illuminate and a single
short beep will be audible, indicating that the Back-UPS is providing protection for connected equipment.
To turn the Back-UPS off, press the Power On button.
The Back-UPS battery charges during the first 16 hours while connected to utility power. The Back-UPS battery
will charge while the Back-UPS is connected to utility power and is turned on or off.
Status Indicators
Status LED Indicator Audible Indicator On
LED or Audible
Indicator Off
Power On/Replace Battery-
Back-UPS is supplying
conditioned utility power to
connected equipment.
Power On/Replace Battery
LED illuminates green.
N/A N/A
On Battery-Back-UPS is
supplying battery power to
battery backup outlets.
Power On/Replace Battery
LED illuminates green. The
LED is not illuminated during
the beeps.
Back-UPS beeps four times
every 30 seconds.
Beeping stops when power
transfers back to utility power
or the Back-UPS is turned off.
Low Battery Warning-
Back-UPS is supplying battery
power to the battery backup
outlets and the battery is near a
total discharge state.
Power On/Replace Battery
LED flashes green.
Back-UPS emits rapid beeping,
(every 1/2 second).
Beeping stops when power
transfers back to utility power
or the Back-UPS is turned off.
Power On/Replace Battery-
The battery is disconnected.
The battery needs to be
charged, or replaced.
Power On/Replace Battery
LED flashes alternately green
and red.
Power On/Replace Battery
LED flashes alternately green
and red.
Constant tone
Constant tone
Back-UPS is turned off.
Back-UPS is turned off.
Overload Shutdown-
While operating on battery
power an overload condition
has occurred in one or more of
the battery backup outlets.
N/A Constant tone Back-UPS is turned off.
Sleep Mode-
While on battery power the
battery is completely
discharged. The Back-UPS
will begin operation once
utility power is restored.
N/A Back-UPS beeps four times
every 30 seconds.
• Utility power is restored
• If utility power is not
restored within 32 seconds
• The Back-UPS is turned off
Building Wiring Fault-LED
illuminates when there is no
ground circuit, an overloaded
neutral, or there is a reversed
polarity in the building wiring.
Discontinue use and have a
qualified electrician check the
wiring in the building.
Building Wiring Fault LED
illuminates red.
N/A
• Back-UPS is turned off.
• Building wiring fault is
corrected.
Master Enable LED-
illuminates when the power
saving feature is enabled.
Master Enable LED-
illuminates green when the
power-saving feature is
enabled.
N/A N/A