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Event Message Help Text
137
OUTPUT UV
Output Undervoltage
The voltage being supplied to the load has dropped below the acceptable nominal voltage. Check the input
voltage from both sources.
This event and the system status surrounding it have been written to a History Log if the History Logs were not
already full. This event was also written to the Event Log, if so configured.
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.
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.
HISTORY LOG FROZEN
History Log Frozen
Both History Logs have been written and no more history logs can be written without clearing one of the logs.
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 and the system status surrounding it have been written to a History Log if the History Logs were not
already full. This event was also written to the Event Log, if so configured.
INPUT 1 OVERVOLTAGE
Input 1 Overvoltage
Source 1 is over voltage.
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 and the system status surrounding it have been written to a History Log if the History Logs were not
already full. This event was also written to the Event Log, if so configured.
INPUT 1 UNDERVOLTAGE
Input 1 Undervoltage
Source 1 is under voltage.
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 and the system status surrounding it have been written to a History Log if the History Logs were not
already full. This event was also written to the Event Log, if so configured.