11
Chapter 1: Introduction
Information LED
Status
Description
Continuously on and red
An overheat condition has occurred.
(This may be caused by cable congestion.)
Blinking red (1Hz)
Fan failure, check for an inoperative fan.
Solid blue
UID has been activated locally to locate the server in a rack environment.
Blinking blue
UID has been activated using IPMI to locate the server in a rack environment.
Drive Sled LEDs
Each sled has a one red fault LED mounted on its top for each drive, sixteen total. These
are explained below.
Sled Top Fault LEDs
Sled Fault LEDs
Status
Description
Off
No failure
Solid Red
Drive failure.
Blinking Red (1 Hz)
RAID rebuild
Blinking Red (4 Hz)
Drive identifier: use IPMI to activate this status, which allows you to quickly
identify a specified drive.
Sled Activity/Status LEDs
Status
Description
Activity LED
Solid Blue
Idle NVMe drive detected
Blinking Blue
I/O activity
Off
No drive detected
Status LED
Solid Red
Drive failure: extend the chassis sled to identify the failed drive.
Blinking red (4 Hz)
Drive identifier: use IPMI to activate this status, which allows you to quickly
identify a specified drive.
