Tripp Lite SU1500RTXL2UHV, SUINT1500RTXL2U owner manual Check the utility line for wiring problems

Troubleshooting

The UPS’s control panel lights will turn on in the sequences below to signal that the UPS is having operational difficulties.

Lights (On/Flashing) and Condition	Solution
On: REPLACE BATT	Let the UPS system charge for at least
Condition: Replace Battery	12 hours and perform a self test using
	the "ON/Test Switch" as described on
	page 6. If the light continues to stay on,
	contact Tripp Lite for service.
On: BATT LOW, ON BATT	Prepare for imminent UPS shutdown.
Condition: Battery Low
On: BYPASS, LINE, LOAD, OVERLOAD	Reduce the load the UPS supports.
Condition: On Bypass due to Overload
On: FAULT	Remove the cause of the short circuit
Condition: Short Circuit	from the UPS output.
Flashing: FAULT	Check the utility line for wiring problems
Condition: Wiring Fault	such as reversed line and neutral or a
	missing ground.
On: FAULT, REPLACE BATT	Restart the UPS. If the problem persists,
Condition: Battery Voltage too High	contact Tripp Lite for repairs.
On: FAULT, REPLACE BATT, OVERLOAD	Restart the UPS. If the problem persists,
Condition: EEPROM Error	contact Tripp Lite for repairs.
On: FAULT, BYPASS, LINE, 100%	Restart the UPS. If the problem persists,
Condition: On Bypass due to	contact Tripp Lite for repairs.
High Output Voltage
On: FAULT, BYPASS, LINE, 75%	Restart the UPS. If the problem persists,
Condition: On Bypass due to	contact Tripp Lite for repairs.
Low Output Voltage

On: FAULT, BYPASS, LINE, 50%

Condition: On Bypass due to High Bus Voltage

Restart the UPS. If the problem persists, contact Tripp Lite for repairs.

On: FAULT, BYPASS, LINE, 25%

Condition: On Bypass due to Low Bus Voltage

Restart the UPS. If the problem persists, contact Tripp Lite for repairs.

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