APC NetworkAIR Rack Air Removal Unit ACF102BLK - Manual (Page 19)

NetworkAIR Rack Air Removal Unit Installation 15
Alarm Settings
The Rack Air Removal Unit has three LEDs on the front of the door that indicate whether the system
is in an alarm state.
LED legend
LED
System
Status
Fan
Status
Thermal Control
Status
Description Indicates the status of the
controller boards Indicates status of the three
fans Indicates the status of the
temperature in the
enclosure
Green System OK Fans OK Temperature within range
Green
Flashing
N/A N/A Exhaust temperature has
exceeded the temperature
override setpoint
(kW mode only)
Red Control failure, the fans
will default to high speed
when there is a board
failure to keep air moving
through the enclosure Fan failure,
remaining fans operate at
full speed High temperature, the unit
has lost thermal control
Red/Green
Flashing
N/A Smoke Alarm (optional) Smoke Alarm (optional)