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Troubleshooting
(continued)
Lights (On/Flashing) and Condition Solution
On: FAULT, 25% Restart the UPS. If the problem persists,
Flashing: LINE contact Tripp Lite for repairs.
Condition: No Output due to High
Bus Voltage and Abnormal Input
On: FAULT Restart the UPS. If the problem persists,
Flashing: LINE, 25% contact Tripp Lite for repairs.
Condition: No Output due to Low
Bus Voltage and Abnormal Input
Flashing: LINE, FAULT Check the UPS to be sure that there is
Condition: No Output due to High adequate space for air to circulate near
Internal Temperature and Abnormal the vents and that the fan is working
Input properly. Restart the UPS. If the problem
persists, contact Tripp Lite for repairs.
Battery Replacement
Under normal conditions, the original batteries in your UPS will last many years. See Safety section before
replacing batteries. The batteries are designed for hot-swap replacement (i.e. leaving the UPS in ON
mode), but some qualified service personnel may wish to put the UPS in the OFF mode and disconnect
equipment before proceeding.
Remove Front
Panel
Disconnect
Batteries
Remove/Dispose of
Batteries
Add Batteries
Connect Batteries
Attach connectors: black-
to-black and red-to-red.
Replace Front
Panel
6
5
4
3
2
1
1
6
2
5
3
4
Procedure
200608195 93-2615 HTR22-3U OM.qxd 10/19/2006 9:36 AM Page 11