Tripp Lite APS2424, APS3624VR, APS3636VR, APS750, APS1012 Service, Maintenance, Troubleshooting

Service

If you are returning your Inverter/Charger to Tripp Lite, please pack it carefully, using the ORIGINAL PACKING MATERIAL that came with the unit. Enclose a letter describing the symptoms of the problem. If the Inverter/Charger is within the warranty period, enclose a copy of your sales receipt. To obtain service you must obtain a Returned Material Authorization (RMA) number from Tripp Lite or an author- ized Tripp Lite service center.

Maintenance

Your Inverter/Charger requires no maintenance and contains no user-serviceable or replaceable parts, but should be kept dry at all times. Periodically check, clean and tighten all cable connections as necessary, both at the unit and at the battery.

Troubleshooting

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

MAX	OFF
(GREATER	(LESSER
LOAD	LOAD
ON)	ON)

Battery Indicator Lights

Operating Mode Switch

Operation Indicator Lights

SYMPTOM	PROBLEMS	CORRECTIONS
No AC Output	Unit is not properly connected to utility power.	Connect unit to utility power.
(All Indicator Lights Are OFF)	Operating Mode Switch is set to “OFF” and	Set Operating Mode Switch to “AUTO/REMOTE” or “CHARGE ONLY.”
	AC input is present.
	This is normal when the Operating Mode Switch	No correction is required. AC output will return when AC input
	is set to “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
	battery damage). The problem may be with connected	Mode Switch to “OFF.” Wait 1 minute and switch to “AUTO/REMOTE”
	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.
	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.	“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 Battery Indicator Lights	Battery is excessively discharged.	Use an auxiliary charger* to raise battery voltage. Check external
Are Slowly Flashing		battery connections and fuse. Unit automatically resets when
(½ Second Flashes)		condition is cleared.
All Three Battery Indicator Lights	Battery is overcharged. Unit will shut down to prevent	Disconnect any auxiliary chargers. Reset by moving Operating Mode
Are Rapidly Flashing	battery damage. The problem may be with connected	Switch to “OFF.” Wait 1 minute and switch to “AUTO/REMOTE”
(¼ Second Flashes)	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.
Red “LOW” Battery	Battery voltage is low. Unit will automatically shut down	Make sure that AC power is present in order to recharge batteries.
Indicator Light is Flashing	after 5 seconds to protect battery from damage.	Reset by moving Operating Mode Switch to “OFF then to
		“AUTO/REMOTE” or “CHARGE ONLY.”
	False reading due to undersized or insufficiently connected	Use sufficient size DC cable sufficiently connected to the
	DC cabling.	Inverter/Charger.
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 1minute. Switch to “AUTO/REMOTE” or “CHARGE ONLY.”
Green “BOOST” or “CUT” Indicator Lights	This is a normal function.	No action is required on the user’s part.
(available on select models) Flashing
* User-supplied.

12A