Event Message Help Text
S2 SCR SENSE FAIL
Source 2 SCR Sense Module Failed.
The module contained on the snubber monitoring the SCRs for Source 2 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 Liebert STS2 system from a terminal, type CA and press RETURN on your keyboard.
S1 CURR SENSE FAIL
Source 1 Current Sense Failure.
The module monitoring the current from Source 1 has failed. This module is contained on the left side gate driver board.
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 Events 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 Liebert STS2 system from a terminal, type CA and press RETURN on your keyboard.
S2 CURR SENSE FAIL
Source 2 Current Sense Failure.
The module monitoring the current from Source 2 has failed. This module is contained on the right side gate driver board.
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 Events 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 Liebert STS2 system from a terminal, type CA and press RETURN on your keyboard.
S1 GATE DRIVE FAIL
Source 1 Gate Drive Failure.
The gate drive module for an SCR for Source 1 has failed. This module is contained on the right side gate driver board.
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 Liebert STS2 system from a terminal, type CA and press RETURN on your keyboard.
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