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12. Troubleshooting
In the event of an observed failure or unexpected behavior, first check external factors that may impact UPS system functionality (e.g.,
environmental conditions such as excessive temperature or humidity, installation or site changes with cabling). Additionally, ensure all breakers
are switched to the "On" position. Section 9.4 Text Summaries and Explanations includes the list of event notifications that may be displayed
in the Events screen, including those for many external factors.
If there are no events displayed and the behavior is not shown in the events notifications or the table below, contact Tripp Lite Technical Support.
Event Display Text
Line Fail
Battery Open
Line Phase Error
Bypass Phase Error
ID Conflict
Module Unlock
Redundancy Set Fail
Battery Fault
Overload Fault
R or S or T Inverter Voltage Short
RS or ST or TR Inverter Voltage Short
Over Temperature
N Loss
Battery backup time is shorter than
nominal value
Other fault codes are shown; alarm
beeps continuously
Possible Cause
The AC input cable is loose
The battery connector cable is loose
The AC input 1 sequence of R-S-T is incorrect
The AC input 2 sequence of R-S-T is incorrect
Module ID numbers have been duplicated
One of the Power Modules is unlocked
The module redundancy setting is incorrect
Internal or external batteries are connected
incorrectly
UPS system is overloaded
The UPS shut down due to short circuit on the UPS
output
The UPS shut down due to short circuit on the UPS
output
UPS system temperature is too high
Input neutral wire is disconnected
Batteries are not fully charged, or batteries are
defective
A UPS system internal fault has occurred
Remedy
Confirm input cable is firmly connected to the
input terminal
Confirm battery cable is firmly connected to the
input terminal
Confirm the AC input 1 sequence is correct
Confirm the AC input 2 sequence is correct
Reset the module ID addresses
Confirm the Ready switch is fixed at the right
position
Reset module redundancy setting
Check battery connections
Switch off or remove excess loads attached to the
output of the UPS system
Check output wiring; confirm if connected devices
are in short circuit status
Check output wiring; confirm if connected devices
are in short circuit status
Check fans are working correctly
Check and correct the input neutral connection
Charge batteries for at least 10 hours at 1/10C
charging rating, then recheck battery capacity
Contact Tripp Lite Technical Support
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