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 12 hours
Condition: Replace Battery 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
Flashing: OVERLOAD Remove the cause of the short circuit
Condition: Short Circuit from the UPS output.
On: FAULT Check the utility line for wiring problems such as
Condition: Wiring Fault reversed line and neutral or a missing ground.
On: FAULT, 100% Restart the UPS. If the problem persists,
Condition: Battery Voltage too High contact Tripp Lite for repairs.
On: FAULT, BYPASS, LINE, 50% Restart the UPS. If the problem persists,
Condition: On Bypass due to contact Tripp Lite for repairs.
High Output Voltage
On: FAULT, BYPASS, LINE Restart the UPS. If the problem persists,
Flashing: 50% contact Tripp Lite for repairs.
Condition: On Bypass due to
Low Output Voltage
On: FAULT, BYPASS, LINE, 25% Restart the UPS. If the problem persists,
Condition: On Bypass due to High contact Tripp Lite for repairs.
Bus Voltage
On: FAULT, BYPASS, LINE Restart the UPS. If the problem persists,
Flashing: 25% contact Tripp Lite for repairs.
Condition: On Bypass due to Low
Bus Voltage
On: BYPASS, LINE Check the UPS to be sure that there is
Flashing: FAULT adequate space for air to circulate near
Condition: On Bypass due to High the vents and that the fan is working
Internal Temperature properly. Restart the UPS.
Flashing: LINE This indicates that utility power is too high or low
Condition: Input Abnormal for the UPS to operate in BYPASS mode, so if an
inverter failure occurs, the UPS will deliver no output.
On: FAULT, 50% Restart the UPS. If the problem persists,
Flashing: LINE contact Tripp Lite for repairs.
Condition: No Output due to High
Output Voltage and Abnormal Input
On: FAULT
Restart the UPS. If the problem persists,
Flashing: LINE, 50% contact Tripp Lite for repairs.
Condition: No Output due to Low
Output Voltage and Abnormal Input
Troubleshooting
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