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 Green Reserved Reserved for future use
P840 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.
P840 controller LEDs 169
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