Vertiv Liebert EXS - Appendix B: UPS Prompts and Alarms

Appendix B: UPS Prompts and Alarms
B.1 Prompt Window
A prompt window is displayed during the operation of the system to alert you to certain conditions and/or to require
confirmation of a command or other operation.
Prompt Description
Incorrect password, please input
again
Appears when an incorrect settings password is entered.
Turn on failed, condition is not met Appears when the power button is pressed or Turn-on/Turn-off/to-Bypass is selected while on the Control page.
Turn on more UPS to carry current
load
Appears when a parallel system load exceeds the total rating of the number of active UPS units in the parallel
system.
The load is too high to be transferred
with interrupt
Appears when the load exceeds the capacity of a single UPS rating in a parallel system to perform an interrupted
transfer from bypass to inverter (normal mode).
Turn ON local INV? OK or Cancel Appears when the power button is pressed when the inverter is OFF. Confirm or cancel the action.
Turn OFF local INV? OK or Cancel Appears when the power button is pressed when the inverter is ON. Confirm or cancel the action.
New alarms present, Show log? OK
or Cancel
Appears when a new alarm generated. Confirm to view the alarm log or cancel it.
Clear faults? OK or Cancel Appears when the command to clear the active fault is selected. Confirm or cancel the action.
Transfer with interrupt? OK or
Cancel
Appears when attempting to transfer to or from bypass when the UPS inverter is not synchronized with the bypass
source.
This operation leads to output
shutdown, OK or Cancel
Appears when no alternative source (bypass) is available and turning OFF the inverter command is issued. This
will cause the load to be de-energized and shutdown.
This operation leads to inverter
overload, OK or Cancel
Appears when attempting to turn off a UPS inverter in a parallel system that does not include a redundant UPS
module.
Turn ON local INV
Turn ON PARA INV
Appears when the power button is pressed on a unit in a parallel system. Select one option to confirm operation.
Turn OFF local INV
Turn OFF PARA INV
Appears when the power button is pressed on a unit in a parallel system. Select one option to confirm operation.
Table 9.1 UPS Prompts
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Vertiv™ Liebert® EXS Installer/User Guide