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9. Troubleshooting
If the UPS displays an error code, refer to the table below to diagnose and solve the problem:
Error codes shown on the 7-segment Display:
Error
Code Meaning
Possible Cause
Solution
E11
Charger Fault
Charger is operating
abnormally or not at all.
Contact Tripp Lite Tech Support.
E13
Temperature
Out of Range
The UPS temperature is out
of range.
1. Check whether the UPS’s
ventilation is normal and
sufficient.
2. Decrease the loads.
3. Check whether the fan(s) run(s)
normally.
E14
+/- DC BUS High/ Low The UPS is operating
abnormally.
Contact Tripp Lite Tech Support.
E16
Inverter Fault
The UPS is operating
abnormally.
Contact Tripp Lite Tech Support.
E18
DC-DC Fault
The UPS is operating
abnormally.
Contact Tripp Lite Tech Support.
E19
Abnormal Output/
Inverter Voltage
The UPS is operating
abnormally.
Contact Tripp Lite Tech Support.
E21
Output Short Circuit
Output has a short-circuit
issue.
1. Check whether the output has a
short-circuit issue.
2. Contact Tripp Lite Tech Support.
Sd1
RPO Shutdown
Remote shutdown is
executed.
There is a 5 minute delay before
shutdown is complete. After remote
shutdown events are eliminated,
follow the turn-on procedures to
start the UPS.
Sd4
Battery Low Shutdown The UPS transfers to run
in battery mode due to AC
utility abnormality; however,
the battery power is almost
depleted.
1. Check the main AC source and
the input power cord’s status.
2. Run battery test.
3. Contact Tripp Lite Tech Support.
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