Emerson Liebert Static Transfer Switch User Manual

Page 132

Event Message Help Text

124

CB1 SHUNT TRIP FAIL

Circuit Breaker 1 Shunt Trip Failure

Circuit Breaker 1 failed to trip open when the control issued a command for the circuit breaker to trip.

Press SILENCE on the touch screen 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 Liebert for technical support at 1-800-LIEBERT (800-543-2378).

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.

CB2 SHUNT TRIP FAIL

Circuit Breaker 2 Shunt Trip Failure

Circuit Breaker 2 failed to trip open when the control issued a command for the circuit breaker to trip.

Contact Liebert for technical support at 1-800-LIEBERT (800-543-2378).

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.

HEAT SINK OVERTEMP

Heat Sink Over Temperature
The system heat sink temperature has exceeded the design limits.

Take immediate steps to cool the unit. Remove obstructions from the air inlet in the front of the unit. Remove and replace
the air filter behind the front door. A standard furnace filter can be used.

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.