APC SUA2200/3000 VA 120/230 VAC manual Problem and/or Possible Cause Solution

	Troubleshooting
Problem and/or Possible Cause	Solution
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	Check that the battery connectors are fully engaged.
Battery LED flashes and a short beep is
emitted every two seconds to indicate
the battery is disconnected.
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:	Allow the battery to recharge for 24 hours. Perform the self-test procedure to
Disconnected Battery/	confirm the replace battery condition. The alarm stops and the LED clears if
Replace Battery LED illuminates and	the battery passes the self-test.
the UPS emits short beeps for one	If the battery fails again, it must be replaced. The connected equipment is
minute. The UPS repeats the alarm
	unaffected.
every five hours.
The Site Wiring Fault LED on the rear panel is illuminated (120 V models only)
The UPS is plugged into an improperly	Wiring faults detected include missing ground, hot-neutral polarity reversal,
wired utility power outlet.	and overloaded neutral circuit.
	Contact a qualified electrician to correct the building wiring.
The input circuit breaker trips
The connected equipment exceeds the	Unplug all nonessential equipment from the UPS.
specified “maximum load” as defined	Reset the circuit breaker.
in Specifications on the APC Web site,
www.apc.com.
The AVR Boost or AVR Trim LEDs are illuminated
The system is experiencing very high or	Have qualified service personnel check your facility for electrical problems.
low utility voltage.	If the problem persists, contact the utility company for further assistance.

Smart-UPS XL 3U Rack Mount 2200/3000 VA 120/230 Vac; 3000 VA 100/200 Vac User Manual 17