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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 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

 

 

 

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Tripp Lite 2-9USTAND owner manual Troubleshooting