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DEFINITIONS FOR ILLUMINATED LED INDICATORS
Power
ON
Site
Wiring
Fault
Circuit
Breaker
Alarm
CONDITION
On Off Set Off
Normal Mode
Off On/Off Set
Two
Beeps
Utility Failure- the UPS is in the battery
mode.
Off On/Off Set
Rapid
Beeps
Utility Failure- The UPS is in the battery
mode and will run out of battery-power shortly.
Off Off Up
Two
Beeps
or
Rapid
Beeps
System Overload- Occurs when connected
equipment exceeds the rating of UPS. Turn
the UPS off, unplug at least one piece of
equipment, wait 10-seconds, reset the circuit
breaker and turn the UPS on.
Off On/Off Set
Long
Beep
Battery Overload- Occurs when connected
equipment exceeds the rating of battery-
powered outlets of the UPS. Turn the UPS off,
unplug at least one piece of equipment from
battery-powered outlets, wait 10-seconds,
reset the circuit breaker and turn the UPS on.
On/Off On Set None
Site Wiring Fault (MN 525 Only)- This indi-
cates a wiring problem with the AC wall outlet
such as bad ground, missing ground, or re-
versed wiring. Disconnect all electrical equip-
ment from the UPS’s outlets and have an
electrician check the AC wall outlet to ensure
proper wiring.