Tripp Lite SMART1524ET Owner's Manual page 47

Troubleshooting
Are there LED/LCD messages for the following conditions?
AC Line Power has failed or
dropped below set transfer
voltage
Fan is not working
Battery voltage higher than 62V
for SMART1548ET and higher
than 31V for SMART1524ET
when charge on.
The UPS detects an output
overload in line or battery modes
and the overload countdown
timer starts. If an overload is
still present at the end of the
countdown, the UPS will turn
output off.
EEPROM Check fail
Battery Temp Sensor
disconnected from UPS interface
AC Fail
Fan Fault
Overcharge
Overload
EEPROM fault
BTS
Disconnect
Battery
Disconnect
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