5.0 Viewing The Circuit Board Status Indicators
Once you have installed the CPU board and services board in the main cabinet, turn on the AC power and observe
the board’s status lights.
The status light on the front of the circuit boards shows the following conditions:
Circuit Board
Status Light Condition
CPU Board
Steady On = Normal Operation
Steady Off = System Malfunction
Services Board
Green Steady On = Normal Operation
Green Steady Off = System Malfunction
Yellow Off, Red Off = Normal Operation
Yellow On, Red Off = Main Cabinet Using Battery Back Up Operation
Yellow Off, Red On = Main Cabinet Out Of Service
Locating The Status Lights
PLUS045
Green LED
Yellow LED
Red LED
Services Board
Green LED
CPU Board
IMI66–105
Installing The DXP Plus Main Cabinet
18 – Installing The DXP Plus Main Cabinet