Vertiv™ | Liebert
®
STS2
™
100-1000A, 50/60Hz User Manual | Rev. 12 | 11/2017 115
S1 VOLT SENSE FAIL
Source 1 Voltage Sense Module Failed.
The module contained on the snubber monitoring the input voltage from Source 1 has failed.
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 unit from a terminal, type
CA and
press RETURN on your keyboard.
S2 VOLT SENSE FAIL
Source 2 Voltage Sense Module Failed.
The module contained on the snubber monitoring the input voltage from Source 2 has failed.
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.
S1 SCR SENSE FAIL
Source 1 SCR Sense Module Failed.
The module contained on the snubber monitoring the SCRs for Source 1 has failed.
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 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 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.
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