Tripp Lite UPS Troubleshooting: Beep Codes, Error Codes, and Solutions

Troubleshooting

See the chart below for explanation of error codes that appear in the 3-digit data field of the UPS SETUP LCD Screen, as well as suggested solutions for each error.

This UPS offers a series of Fault and Shutdown codes viewable in the LCD screen to help explain why a UPS shutdown has occurred. Error

&Environmental fault codes include the prefix of “E”. Shutdown codes include the prefix of “S”. See the table below for a complete list- ing of error codes and relevant troubleshooting tips for recovery.

Internal Fault

Error Code	Mode	Description	Solution/Explanation
E11	Charger Fault	There are problems with the charger circuit.	If the problem persists, contact Tripp Lite for assistance.
E12	Fan Fault	There are problems with the fan.	Check if there is any material to stop the rotating of the
			fan. Remove the material. If the problem persists, contact
			Tripp Lite for assistance.
E13	Over	The inside temperature of the UPS is	Check the UPS to be sure that there is adequate space for
	Temperature	higher than the limit.	air to circulate near the vents and that the fan is working
			properly. Ensure that the UPS is in a 0-40C/32-104F
			environment.
E14	+/-DC BUS	The internal DC bus voltage is too high or	If the problem persists, contact Tripp Lite for assistance.
	High/Low	too low.
E15	BUS OVP	The internal DC bus voltage is too high.	If the problem persists, contact Tripp Lite for assistance.
E16	Inverter Fault	There are problems with the inverter circuit.	If the problem persists, contact Tripp Lite for assistance.
E18	DC-DC Fault	There are problems with the DC-DC	If the problem persists, contact Tripp Lite for assistance.
		converter circuit.
Environmental fault
E21	O/P Short	UPS’s output is shorted.	Remove the cause of the short circuit from the
			UPS’s output.

NOTE: UPS will attempt to go to bypass if the input voltage is within acceptable range.

Shutdown
Sd0	EPO shutdown	The UPS is shut down due to emergency	This is not an error but a shut down mode indicator.
		power off triggered externally.	See EPO section for details.
Sd1	RPO shutdown	The UPS is shut down due to remote power	This is not an error but a shut down mode indicator.
		off triggered externally.	See EPO section for details.
Sd2	“Shutdown	The UPS is shut down due to a pre-set	This is not an error but a shut down mode indicator.
	After” Shutdown	software feature called “shutdown after”.
Sd3	“Battery Save”	The UPS is shut down due to a pre-set	This is not an error but a shut down mode indicator.
	shutdown	software feature called “Battery Save”
Sd4	Battery low	The UPS is shut down due to low battery	This is not an error but a shut down mode indicator.
	shutdown	voltage	Recharge the battery.

Internal Battery Replacement

Battery Replacement Door: Under normal conditions, the original battery in your UPS will last several years. Battery replacement

should be performed only by qualified service personnel. Refer to “Battery Warnings” in the Safety section. If you require a replacement

battery, you can find it at www.tripplite.com/support/battery/index.cfm. See the chart below to find the right replacement battery for your

UPS system:

UPS Model		Replacement Battery Cartridge
SU1000XLCD		RBC24V-LCD
SU1500XLCD		RBC48-SUTWR
SU2200XLCD		RBC48-SUTWR
SU3000XLCD		RBC96-3U
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