Specifications

Back-UPS Pro 500 BG500 120 Vac18
Overload Alarm
While on AC power the online power exceeds
the Back-UPS capacity.
The green LED
illuminates.
Constant tone
Beeping stops when
equipment power plugs are
moved from battery backup
outlets to surge protection
outlets.
Sleep Mode
While on battery power, the battery is
completely discharged. The Back-UPS will
“awaken” once AC power is restored.
None
The Back-UPS
beeps once
every four
seconds.
Beeping stops when:
• AC power is restored
• If AC power is not restored
within 32 seconds
• The Back-UPS is turned off
Building Wiring Fault
The building wiring presents a shock hazard that
must be corrected by a qualified electrical.
Building Wiring Fault LED
at the rear panel illuminates
red
None
The Back-UPS is unplugged
from the wall outlet or is
plugged into an improperly
wired outlet.
Status LED Indicator
Audible
Indicator On
Audible Indicator
Terminates