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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 7. 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
Condition: Wiring Fault
such as 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
Troubleshooting
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