Event Message Help Text
PWR SPLY S2 AC FAIL
Power Supply Source 2 AC Failed.
The AC input power to the power supplies from Source 2 has failed. The power supplies are now operating on AC power from Source 1. The AC input from Source 2 is still good.
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Press SILENCE on the touch screen to turn off the audible alarm, if so configured. If you are accessing the Liebert STS2 system from a terminal, type SH and press RETURN on your keyboard to turn off the audible alarm.
This event was written to the Event Log, if so configured.
The alarm has triggered a message to be sent to the modem, if so configured.
If configured to be a latching alarm, press RESET on the display. If you are accessing the unit from a terminal, type CA and press RETURN on your keyboard.
PWR SPLY LOGIC FAIL
Power Supply Module Failed.
The power supply logic module contained in the primary power supply has failed.
Contact Liebert Services for technical support at
Press SILENCE on the touch screen to turn off the audible alarm, if so configured. If you are accessing the Liebert STS2 system from a terminal, type SH and press RETURN on your keyboard to turn off the audible alarm.
This event was written to the Event Log, is so configured.
The alarm has triggered a message to be sent to the modem, if so configured.
If configured to be a latching alarm, press RESET on the display. If you are accessing the unit from a terminal, type CA and press RETURN on your keyboard.
OUT VOLT SENSE FAIL
Output Voltage Sense Module Failed.
The module contained on the snubber monitoring the output voltage has failed.
Press SILENCE on the touch screen to turn off the audible alarm, if so configured. If you are accessing the Liebert STS2 system from a terminal, type SH and press RETURN on your keyboard to turn off the audible alarm.
Contact Liebert Services for technical support at
This event was written to the Event Log, if so configured.
The alarm has triggered a message to be sent to the modem, if so configured.
If configured to be a latching alarm, press RESET on the display. If you are accessing the unit from a terminal, type CA and press RETURN on your keyboard.