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S1 UV
Source 1 Under Voltage (fast detection).
The input voltage from Source 1 dropped below a set percentage of the nominal voltage, as set in the Fast UV set
point under the User Settings. An S1 Fail alarm was also issued and source transfer has been inhibited.
The load of the STS2 has been transferred to Source 2.
Press SILENCE on the touch screen to turn off the audible alarm, if so configured. If you are accessing the 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.
S1 UV (RMS)
Source 1 Under Voltage (slow detection).
The input voltage from Source 1 remained below a set percentage of the nominal voltage for a designated period, as
set in the Slow UV Setting and Slow UV Detection Delay set points configured under the User Settings. An S1 Fail
alarm was also issued and source transfer has been inhibited.
The load of the STS2 has been transferred to Source 2.
Press SILENCE on the touch screen to turn off the audible alarm, if so configured. If you are accessing the STS2
system from a terminal, type SH and press RETURN on your keyboard to turn off the audible alarm.
The alarm is latched and must be reset after the voltage returns to the nominal voltage. If the Reset option is not
configured for AUTO (automatic reset), then the reset action must be done manually. When the voltage is within
acceptable parameters, touch the RESET button on the touch screen. If you are accessing the unit from a terminal,
type CA and press RETURN on your keyboard.
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.
S1 OV
Source 1 Over Voltage.
The input voltage from Source 1 exceeded a set percentage of the nominal voltage, as set in the OV Setting and OV
Detection Delay set points configured under the User Settings. An S1 Fail alarm was also issued and source transfer
has been inhibited.
The load of the STS2 has been transferred to Source 2.
Press SILENCE on the touch screen to turn off the audible alarm, if so configured. If you are accessing the 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.
Event Message Help Text
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