APC SMART-UPS SUA3000 - Manual (Page 17)

Smart-UPS XL 3U Rack Mount 2200/3000 VA 120/230 Vac; 3000 VA 100/200 Vac User Manual 17
Troubleshooting
The Overload LED is illuminated and the UPS emits a sustained alarm tone
The UPS is overloaded. The connected equipment exceeds the specified “maximum load” as defined
in Specifications on the APC Web site, www.apc.com.
The alarm remains on until the overload is removed. Disconnect nonessential
equipment from the UPS to eliminate the overload condition.
The UPS continues to supply power as long as it is online and the circuit
breaker does not trip; the UPS will not provide power from batteries in the
event of a utility voltage interruption.
The Disconnected Battery/ Replace Battery LED is illuminated
The Disconnected Battery/Replace
Battery LED flashes and a short beep is
emitted every two seconds to indicate
the battery is disconnected.
Check that the battery connectors are fully engaged.
Weak battery. Allow the battery to recharge for 24 hours and perform a self-test. If the
problem persists after recharging, replace the battery.
Failure of a battery self-test:
Disconnected Battery/
Replace Battery LED illuminates and
the UPS emits short beeps for one
minute. The UPS repeats the alarm
every five hours.
Allow the battery to recharge for 24 hours. Perform the self-test procedure to
confirm the replace battery condition. The alarm stops and the LED clears if
the battery passes the self-test.
If the battery fails again, it must be replaced. The connected equipment is
unaffected.
The Site Wiring Fault LED on the rear panel is illuminated (120 V models only)
The UPS is plugged into an improperly
wired utility power outlet. Wiring faults detected include missing ground, hot-neutral polarity reversal,
and overloaded neutral circuit.
Contact a qualified electrician to correct the building wiring.
The input circuit breaker trips
The connected equipment exceeds the
specified “maximum load” as defined
in Specifications on the APC Web site,
www.apc.com.
Unplug all nonessential equipment from the UPS.
Reset the circuit breaker.
The AVR Boost or AVR Trim LEDs are illuminated
The system is experiencing very high or
low utility voltage.
Have qualified service personnel check your facility for electrical problems.
If the problem persists, contact the utility company for further assistance.
Problem and/or Possible Cause Solution