P440ar 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.
| 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 = All attached volumes are encrypted. Off = All attached volumes are plaintext. Flashing = Both encrypted and plaintext volumes are present. |
| 4 | 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. |