Troubleshooting

Before sending your APS in for service, always check the following first. Call Tripp Lite Customer Service before sending in your APS

SYMPTOM	PROBLEMS	CORRECTIONS
APS receptacles do not provide	APS not properly connected to	Connect APS to wall receptacle.
AC output (AC input present)	wall receptacle.
	Circuit breaker is tripped.	Reset circuit breaker.

	APS shutdown due to excessive	Turn APS OFF. Wait 1 minute and
	battery voltage (> 16V DC), indicat-	switch to “AUTO”.
	ing possible charger failure. Line
	disconnected to prevent permanent
	battery damage.
	APS is set to “OFF”	Set APS to “AUTO” or “CHARGE-
		ONLY”.

APS receptacles do not provide	Circuit breaker is tripped.	Reset circuit breaker.
AC output (AC input absent)
	Operating Mode Switch is set	Set Operating Mode Switch to “AUTO.”
	to “Charge Only.”
	Load or High temperature fault.	Turn APS OFF. Wait 1 minute.
		Remove overload. Switch to “AUTO.”
	Excessive battery discharge.	Check battery condition.

APS will not charge the	Connected batteries are dead.	Check and replace old batteries.
battery (AC input present)
	Battery fuse* is blown.	Check and replace fuse.
	Battery cabling* is loose or degraded.	Check and tighten or replace cabling.

	APS charger failure.	Turn APS OFF. Wait 1 minute and
		switch to “AUTO”. If automatic shut-
		down occurs, call Tripp Lite
		Customer Service.

All APS Indicator Lights are	This is normal if the APS is set	—
OFF (AC input absent)	to “CHARGE-ONLY”

All APS Indicator Lights are	Excessive battery discharge.	Use an auxiliary charger to raise
OFF (AC input is present or		battery voltage to at least 9V DC.
absent)		Check external Battery connections
		and fuse. Automatically resets when
		condition is cleared.

All APS Battery Indicator	Excessive battery discharge.	Use an auxiliary charger to raise
Lights are slowly flashing.		battery voltage to at least 9V DC.
		Automatically resets when condition
		is cleared.

APS “LO” Battery Light	Inverter shutdown because battery	Reset by cycling control switch to
flashing	voltage less than 10V DC for more	OFF position then ON.
	than 5 seconds. Protects battery
	from permanent damage.

All APS Battery Lights are	High battery voltage shutdown	Check all charging sources.
rapidly flashing	during Charge mode.	Reset by cycling control switch to
		OFF position then ON.

APS “LOAD” Indicator Light	Inverter overload caused by	Reset by reducing load and cycling con-
is rapidly flashing	excessive load or short circuit.	trol switch to OFF position then ON.
	If sustained for more then 5
	seconds the Inverter is shutdown.
*User supplied

Troubleshooting

SYMPTOM

PROBLEMS

CORRECTIONS

ONLY”.