Troubleshooting – Tripp Lite Audio/Video Pure Sine Wave UPS System User Manual

Page 10

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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 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

10

200608195 93-2615 HTR22-3U OM.qxd 10/19/2006 9:36 AM Page 10

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