
Component identification 6
Controller LEDs
Immediately after you power up the server, the controller runtime LEDs illuminate briefly in a predetermined
pattern as part of the POST sequence. At all other times during server operation, the illumination pattern of
the runtime LEDs indicates the status of the controller.
P430 controller, 2 GB cache module
Item Color Name Interpretation
1
Green
Heartbeat
When the controller is in good health, this LED flashes at 1 Hz.
During power up, this LED is solid for up to 2 seconds.
2
Amber Fault When an error occurs, this LED is on. During power up, this LED
is solid for up to 2 seconds.
3
Green Reserved —
4
Green Reserved —
5
Amber Debug On = Controller is in reset state.
Off = Controller is in an idle or runtime state.
Flashing 5 Hz = Controller and cache are performing a backup.
P430 controller, 4 GB cache module
Item Color Name Interpretation
1
Green
Heartbeat
When the controller is in good health, this LED flashes at 1 Hz.
During power up, this LED is solid for up to 2 seconds.
2
Amber Fault When an error occurs, this LED is on. During power up, this LED
is solid for up to 2 seconds.
3
Green Crypto On = Encrypting
Off = Non=encrypting
Flashing = Undergoing retry
4
Green Reserved —
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