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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, ONBATT 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:Shor t 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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