Vertiv™ | Liebert
®
STS2
™
100-1000A, 50/60Hz User Manual | Rev. 12 | 11/2017 116
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 touchscreen 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.
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 touchscreen 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.
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 touchscreen 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 Vertiv Services at 800-543-2378.
This event was written to the Event Log, 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 GATE DRIVE FAIL
Source 1 Gate Drive Failure.
The gate drive module for an SCR for Source 2 has failed. This module is contained on the left side gate driver board.
Press SILENCE on the touchscreen 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 Vertiv Services for technical support at 800-543-2378.
This event was written to the Event Log, 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.
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