Troubleshooting

Try these remedies for common APS problems before calling for help. Before returning your UPS for service, call Tripp Lite Customer Service at (773) 869-1234 in the USA or at (773) 869-1956 for international customers.

SYMPTOM	PROBLEMS	CORRECTIONS
APS does not provide	APS not properly connected to	Connect APS to utility power.
AC output (AC input present).	utility power.
	Circuit breaker is tripped.	Reset circuit breaker.

	APS shutdown due to excessive	Turn APS “OFF”. Wait 1 minute and
	battery voltage, indicating possible	switch to “AUTO/REMOTE”.
	charger failure. Line disconnected
	to prevent permanent battery
	damage.
	APS is set to “OFF.”	Set APS to “AUTO/REMOTE” or
		“CHARGE-ONLY.”

APS does 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.”	REMOTE.”

	Load or High Temperature fault.	Turn APS “OFF.” Wait 1 minute. Remove
		overload. Switch to “AUTO/REMOTE.”
	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/REMOTE.” If
		automatic shutdown 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. Check external battery
absent).		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. Automatically resets
		when condition is cleared.

APS “LOW” Battery Light	Inverter shutdown because battery	Reset by cycling control switch to
flashing.	voltage dropped too low for more	“OFF” position then to “AUTO/
	than 5 seconds. Protects battery	REMOTE.”
	from permanent damage.

All APS Battery Lights are	High battery voltage shutdown	Check all charging sources. Reset by
rapidly flashing.	during Charge mode.	cycling control switch to “OFF” then to
		“AUTO/REMOTE" or “CHARGE-ONLY.”

APS “LOAD” Indicator Light	Inverter overload caused by	Reset by reducing load and cycling control
is rapidly flashing.	excessive load or short circuit.	switch to “OFF” position then to “AUTO/
	If sustained for more then 5	REMOTE.”
	seconds the Inverter is shut down.
*User supplied
		13

9906058 230V APS MV-cabinet--English.p65 13

3/21/00, 4:29 PM

Troubleshooting

SYMPTOM

PROBLEMS

CORRECTIONS

“CHARGE-ONLY.”

REMOTE.”