Tripp Lite UT Series owner manual Troubleshooting, Symptom Problems Corrections

Troubleshooting

Try these remedies for common Inverter problems before calling for assistance. Call Tripp Lite Customer Service at (773) 869-1234 before returning your unit for service.

SYMPTOM	PROBLEMS	CORRECTIONS
No AC Output	Operating Mode Switch is set to “OFF”	Set Operating Mode Switch to “AUTO/REMOTE” or “CHARGE ONLY”.
(All Indicator Lights are OFF)	This is normal when the Operating Mode Switch is set to	No correction is required. AC output will return when AC input
	“CHARGE ONLY” and AC input is absent.	returns. Set Operating Mode Switch to “AUTO/REMOTE” if you
		require AC output.
	Circuit breaker is tripped.	Reset circuit breaker.
	Unit has shut down due to battery overcharge (preventing	Disconnect any auxiliary chargers. Reset by moving Operating Mode
	battery damage). The problem may be with connected	Switch to “OFF”. Wait 1 minute and switch to “AUTO/REMOTE” or
	auxiliary chargers, if any, or with the unit’s charger.	“CHARGE ONLY.” If unit remains in shutdown mode after several
		attempts to reset, contact Tripp Lite Customer Service for assistance.
	Unit has shut down due to excessive battery discharge.	Use an auxiliary charger* to raise battery voltage. Check external
		battery connections and fuse. Unit automatically resets when
		condition is cleared.
	Unit has shut down due to overload.	Reduce load. Reset by moving Operating Mode Switch to “OFF”.
		Wait 1 minute. Switch to “AUTO/REMOTE” or “CHARGE ONLY”.
Battery Not Recharging	Connected batteries are dead.	Check and replace old batteries.
(AC Input Present)	Battery fuse* is blown.	Check and replace fuse.*
	Battery cabling* is loose.	Check and tighten or replace cabling.*
	Unit has shut down due to battery overcharge (preventing	Disconnect any auxiliary chargers. Reset by moving Operating Mode
	battery damage). The problem may be with connected	Switch to “OFF”. Wait 1 minute and switch to “AUTO/REMOTE” or
	auxiliary chargers, if any, or with the unit’s charger.	or “CHARGE ONLY.” If unit remains in shutdown mode after several
		attempts to reset, contact Tripp Lite Customer Service for assistance.
	Input circuit breaker is tripped.	Reset circuit breaker.
All Three “BATT VOLT/CHRG CURR”	Battery is excessively discharged. Unit will shut down to	Use an auxiliary charger* to raise battery voltage. Check external
LEDs are slowly flashing (½ second	prevent battery damage.	battery connections and fuse. Unit automatically resets when
flashes) with Operating Mode Switch in		condition is cleared.
the “AUTO/REMOTE” position.
All Three “BATT VOLT/CHRG CURR”	Battery is overcharged. Unit will shut down to prevent	Disconnect any auxiliary chargers. Reset by moving Operating Mode
LEDs are rapidly flashing (¼ second	battery damage. The problem may be with connected auxiliary	Switch to “OFF”. Wait 1 minute and switch to “AUTO/REMOTE.”
flashes) with Operating Mode Switch in	chargers, if any, or with the unit’s charger.	If unit remains in shutdown mode after several attempts to reset,
the “AUTO/REMOTE” position.		contact Tripp Lite Customer Service for assistance.
Red “LOW” Battery Indicator Light is	Battery voltage is low. Unit has shut down	If AC power (utility- or generator-supplied) is present, the unit will
flashing with Operating Mode Switch in the	to protect battery from damage.	automatically reset itself and start recharging connected batteries.
”AUTO/REMOTE” position.		However, if an external charger is used to recharge the batteries,
		you will need to manually reset the unit by moving the Operating
		Mode Switch to “OFF” for two seconds then returning it to
		“AUTO/REMOTE”.
	False reading due to undersized or	Use sufficient size DC cable sufficiently connected to
	insufficiently connected DC cabling.	Inverter.
Red “LOAD” Operation	Inverter is overloaded. Unit will automatically shut down	Reduce load. Reset by moving Operating Mode Switch to “OFF”.
Indicator Light flashing	after 5 seconds.	Wait 1 minute. Switch to “AUTO/REMOTE” or “CHARGE ONLY”.
* User-supplied.

Regulatory Compliance Identification Numbers

For the purpose of regulatory compliance certifications and identification, your Tripp Lite product has been assigned a unique series number. The series number can be found on the product nameplate label, along with all required approval markings and information. When requesting compliance information for this product, always refer to the series num- ber. The series number should not be confused with the marking name or model number of the product.

This product designed and engineered in the USA.

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