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26
Troubleshooting
See the chart below for explanation of error codes that appear in the 3-digit data field of the UPS SETUP LCD Screen, as well as
suggested solutions for each error.
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
E11 Charger Fault There are problems with the charger circuit. If the problem persists, contact Tripp Lite for assistance.
E12 Fan Fault There are problems with the fan. Check if there is any material to stop the rotating of the
fan. Remove the material. If the problem persists, contact
Tripp Lite for assistance.
E13 Over
Temperature
The inside temperature of the UPS is
higher than the limit.
ChecktheUPStobesurethatthereisadequatespacefor
air to circulate near the vents and that the fan is working
properly. Ensure that the UPS is in a 0-40C/32-104F
environment.
E14 +/-DCBUS
High/Low
The internal DC bus voltage is too high or
too low.
If the problem persists, contact Tripp Lite for assistance.
E15 BUSOVP The internal DC bus voltage is too high. If the problem persists, contact Tripp Lite for assistance.
E16 Inverter Fault There are problems with the inverter circuit. If the problem persists, contact Tripp Lite for assistance.
E18 DC-DC Fault There are problems with the DC-DC
converter circuit.
If the problem persists, contact Tripp Lite for assistance.
Environmental fault
E21 O/P Short UPS’s output is shorted. Remove the cause of the short circuit from the
UPS’s output.
NOTE: UPS will attempt to go to bypass if the input voltage is within acceptable range.
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
SU1000XLCD RBC24V-LCD
SU1500XLCD RBC48-SUTWR
SU2200XLCD RBC48-SUTWR
SU3000XLCD RBC96-3U
Shutdown
Sd0 EPO shutdown The UPS is shut down due to emergency
power off triggered externally.
This is not an error but a shut down mode indicator.
See EPO section for details.
Sd1 RPO shutdown The UPS is shut down due to remote power
off triggered externally.
This is not an error but a shut down mode indicator.
See EPO section for details.
Sd2 “Shutdown
After” Shutdown
The UPS is shut down due to a pre-set
software feature called “shutdown after”.
This is not an error but a shut down mode indicator.
Sd3 “Battery Save”
shutdown
The UPS is shut down due to a pre-set
software feature called “Battery Save”
This is not an error but a shut down mode indicator.
Sd4 Battery low
shutdown
The UPS is shut down due to low battery
voltage
This is not an error but a shut down mode indicator.
Recharge the battery.
13-03-138 93-3168-EN.indd 26 3/28/2013 1:05:44 PM