APC 3000 VA, 1500 VA, SUM3000RMXL2U user manual Replace battery LED flashes

PROBLEM AND/OR POSSIBLE	SOLUTION
CAUSE
THE OVERLOAD LED IS ILLUMINATED AND THE UPS EMITS A SUSTAINED ALARM TONE
The UPS is overloaded. The	The connected equipment exceeds the specified “maximum load.”
connected equipment is draw-	The alarm remains on until the overload is removed. Disconnect nonessen-
ing more VA or more Watts
	tial equipment from the UPS to eliminate the overload.
than the UPS can sustain.
	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.
	If a continuous overload occurs while the UPS is on battery, the unit turns
	off output in order to protect the UPS from possible damage.
	(See Maximum Power and VA Specifications)
The condition persists for a few	Equipment such as laser printers draw a great amount of power in short
seconds, stops and then repeats	bursts periodically. For instance, laser printers commonly draw nearly
approximately every minute.	1000 W of power (varies among different printers) for a few seconds, the
	draw will then stop, only to resume seconds later. The UPS is then sub-
	jected to periodic high power draws, and will be briefly overloaded. If the
	UPS must power a laser printer, be sure the UPS can meet the maximum
	draw of the laser printer.
THE REPLACE BATTERY LED IS ILLUMINATED
Replace battery LED flashes	Check that the battery connectors are fully engaged.
and short beep is emitted every
two seconds to indicate the
battery is disconnected.
Weak battery.	Allow the battery to recharge for 24 hours. Then, perform a self-test. If the
	problem persists after recharging, replace the battery.
Failure of a battery self-test.	The UPS emits short beeps for one minute and the replace battery LED
	illuminates. The UPS repeats the alarm every five hours. Perform the self-
	test procedure after the battery has charged for 24 hours to confirm the
	replace battery condition. The alarm stops and the LED clears if the battery
	passes the self-test.
THE SITE WIRING FAULT LED ON THE REAR PANEL IS ILLUMINATED (120 V ONLY)
The UPS is plugged into an	Wiring faults detected include missing ground, hot-neutral polarity reversal,
improperly wired utility power	and overloaded neutral circuit.
outlet.	Contact a qualified electrician to correct the building wiring.
THE INPUT CIRCUIT BREAKER HAS TRIPPED (230 V MODELS AND 1500 VA, 120 V MODELS ONLY)
The circuit breaker switches	Reduce the load on the UPS by unplugging equipment. Reset the breaker.
off.
THE AVR LED IS ILLUMINATED
Your system is experiencing	Have qualified service personnel check your facility for electrical prob-
excessive periods of low or	lems. If the problem continues, contact the utility company for further as-
high voltage.	sistance.

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