Liebert STS2 User Manual
Page 131
Event Message Help Text
123
PWR SPLY DC A FAIL
Power Supply DC Bus A Failed
The primary power supply is no longer providing DC power to the control board and the touch screen.
Contact technical support; in the United States, call 1-800-LIEBERT (1-800-543-2378). Outside the 48 contigu-
ous United States contact Liebert Global Services, if available in your area. For international areas not covered
by Liebert Global Services, the Liebert authorized distributor can provide technical support.
Press SILENCE on the touch screen to turn off the audible alarm, if so configured. If you are accessing the
STS2/PDU 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 DC B FAIL
Power Supply DC Bus B Failed
The secondary power supply is no longer providing DC power to the control board and CAN options.
Contact technical support; in the United States, call 1-800-LIEBERT (1-800-543-2378). Outside the 48 contigu-
ous United States contact Liebert Global Services, if available in your area. For international areas not covered
by Liebert Global Services, the Liebert authorized distributor can provide technical support.
Press SILENCE on the touch screen to turn off the audible alarm, if so configured. If you are accessing the
STS2/PDU 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 S1 AC FAIL
Power Supply Source 1 AC Failed
The AC input power to the power supplies from Source 1 has failed. The power supplies are now operating on
AC power from Source 2. The AC input from Source 1 is still good.
Contact technical support; in the United States, call 1-800-LIEBERT (1-800-543-2378). Outside the 48 contigu-
ous United States contact Liebert Global Services, if available in your area. For international areas not covered
by Liebert Global Services, the Liebert authorized distributor can provide technical support.
Press SILENCE on the touch screen to turn off the audible alarm, if so configured. If you are accessing the
STS2/PDU 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.