HP Smart Array E200 Controller - Manual (Page 31)

Diagnosing array problems 31
Idle task LED
status Gas pedal LED
status Controller CPU activity level
Blinking Off 0–25%
Off Blinking 25–50%
Off On steadily 50–75%
On steadily On steadily 75–100%
Battery pack LEDs
Only the cache upgrade module has a battery pack. The LEDs for the battery pack are viewable on the
cache board.
Item 1
(amber LED) Item 2 (green
LED) Interpretation
— Steady glow The cache batteries are being charged. (The
charging process takes less than three hours.)
— Fast blink The cache microcontroller is waiting for the host
controller to communicate.
Steady glow — One of the following situations is occurring:
• There is a short circuit across the battery
terminals or within the battery pack.
• The host controller is updating the cache
microcontroller firmware.
Fast blink — There is an open circuit across the battery
terminals or within the battery pack.