Smart Array P400 Controller User Guide

Diagnosing array problems 33
Controller CPU activity level Item 7 status Item 8 status
0–25% Off Blinking
25–50% Blinking Off
50–75% On steadily Off
75–100% On steadily On steadily
Battery pack LEDs
Item ID Color Description
1 Green
System Power LED. This LED glows steadily when the
system is powered up and 12 V system power is
available. This power supply is used to maintain the
battery charge and provide supplementary power to the
cache microcontroller.
2 Green
Auxiliary Power LED. This LED glows steadily when 3.3V
auxiliary voltage is detected. The auxiliary voltage is used
to preserve BBWC data and is available any time that the
system power cords are connected to a power supply.
3 Amber
Battery Health LED. To interpret the illumination patterns of
this LED, see the following table.
4 Green
BBWC Status LED. To interpret the illumination patterns of
this LED, see the following table.