Troubleshooting
See the chart below for explanation of error codes that appear in the
This UPS offers a series of Fault and Shutdown codes viewable in the LCD screen to help explain why a UPS shutdown has occurred. Error
&Environmental fault codes include the prefix of “E”. Shutdown codes include the prefix of “S”. See the table below for a complete list- ing of error codes and relevant troubleshooting tips for recovery.
Internal Fault
Error Code | Mode | Description | Solution/Explanation |
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E11 | Charger Fault | There are problems with the charger circuit. | If the problem persists, contact Tripp Lite for assistance. |
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E12 | Fan Fault | There are problems with the fan. | Check if there is any material to stop the rotating of the |
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| fan. Remove the material. If the problem persists, contact |
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| Tripp Lite for assistance. |
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E13 | Over | The inside temperature of the UPS is | Check the UPS to be sure that there is adequate space for |
| Temperature | higher than the limit. | air to circulate near the vents and that the fan is working |
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| properly. Ensure that the UPS is in a |
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| environment. |
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E14 |
| The internal DC bus voltage is too high or | If the problem persists, contact Tripp Lite for assistance. |
| High/Low | too low. |
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E15 | BUS OVP | The internal DC bus voltage is too high. | If the problem persists, contact Tripp Lite for assistance. |
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E16 | Inverter Fault | There are problems with the inverter circuit. | If the problem persists, contact Tripp Lite for assistance. |
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E18 | There are problems with the | If the problem persists, contact Tripp Lite for assistance. | |
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| converter circuit. |
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Environmental fault |
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E21 | O/P Short | UPS’s output is shorted. | Remove the cause of the short circuit from the |
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| UPS’s output. |
NOTE: UPS will attempt to go to bypass if the input voltage is within acceptable range.
Shutdown |
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Sd0 | EPO shutdown | The UPS is shut down due to emergency | This is not an error but a shut down mode indicator. |
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| power off triggered externally. | See EPO section for details. |
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Sd1 | RPO shutdown | The UPS is shut down due to remote power | This is not an error but a shut down mode indicator. |
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| off triggered externally. | See EPO section for details. |
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Sd2 | “Shutdown | The UPS is shut down due to a | This is not an error but a shut down mode indicator. |
| After” Shutdown | software feature called “shutdown after”. |
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Sd3 | “Battery Save” | The UPS is shut down due to a | This is not an error but a shut down mode indicator. |
| shutdown | software feature called “Battery Save” |
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Sd4 | Battery low | The UPS is shut down due to low battery | This is not an error but a shut down mode indicator. |
| shutdown | voltage | Recharge the battery. |
Internal Battery Replacement
Battery Replacement Door: Under normal conditions, the original battery in your UPS will last several years. Battery replacement
should be performed only by qualified service personnel. Refer to “Battery Warnings” in the Safety section. If you require a replacement
battery, you can find it at www.tripplite.com/support/battery/index.cfm. See the chart below to find the right replacement battery for your
UPS system:
UPS Model |
| Replacement Battery Cartridge |
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SU1000XLCD |
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SU1500XLCD |
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SU2200XLCD |
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SU3000XLCD |
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3/28/2013 1:05:44 PM |