Legend SB500R
Uninterruptible Power System
5
DEFINITIONS FOR ILLUMINATED LED INDICATORS
Power
ON
Wiring
Fault
Circuit
Breaker
Alarm
CONDITION
On
Off
Set
Off
Normal
Off
On/Off
Set
Two
Beeps
Utility Failure-
the UPS is providing power to
battery power-supplied outlets from its battery.
Off
On/Off
Set
Rapid
Beeps
Utility Failure-
The UPS is providing battery
power. Rapid beeps indicate the unit will run
out of power shortly.
Off
Off
Up
Two
Beeps
or
Rapid
Beeps
System Overload-
Occurs when connected
equipment exceeds the rating of unit. Turn the
UPS off, unplug at least one piece of
equipment, wait 10 seconds, reset the circuit
breaker and turn the unit on.
Off
On/Off
Set
Long
Beep
Battery Overload-
Occurs when connected
equipment exceeds the rating of battery
outlets of the unit. Turn the UPS off, unplug at
least one piece of equipment from battery
outlets, wait 10 seconds, reset the circuit
breaker and turn the unit on.
On/Off
On
Set
None
Electrical Wiring Fault-
This indicates a
wiring problem with the AC outlet such as bad
ground, missed ground, or reversed wiring.
User is advised to disconnect all electrical
equipment from the outlet and have an
electrician check the outlet to insure proper
wiring.
