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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
Green
1
Amber
2
Green
3
Green
4
Amber
5
P430 controller, 4 GB cache module
Item
Color
Green
1
Amber
2
Green
3
Green
4
Amber
5
Name
Interpretation
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.
Fault
When an error occurs, this LED is on. During power up, this
LED is solid for up to 2 seconds.
Reserved
—
Reserved
—
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.
Name
Interpretation
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.
Fault
When an error occurs, this LED is on. During power up, this
LED is solid for up to 2 seconds.
Crypto
On = Encrypting
Off = Non=encrypting
Flashing = Undergoing retry
Reserved
—
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.
Component identification 6
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