Chassis Install Instructions (734751-001, March 2014)

Verifying the operating status of the disk enclosures
To verify that the disk enclosures and disk drives are operating properly, view the enclosure and
disk drive LEDs and compare them with the patterns described in the following table. If LED patterns
are not as expected, check cable connections between the devices, check the availability of your
power source, review the installation procedures, and remove and reinsert the module.
Fault conditionsOperating conditionStartup conditionIndicatorLocation
Front panel
N/A1. HDD in Bay 1
Solid greenSolid green2. System Health LED
• Flashing amber:
non-critical error.
• Solid amber:
critical failure.
Manual toggle switch with integral solid blue LED for the locate
function:
3. UID
• Push to turn on solid
• Push again to turn off
Back panel
Manual toggle switch with integral solid blue LED for the locate
function:
1. UIDFan module
nl
• Push to turn on solid
• Push again to turn off
Solid amberSolid greenSolid green2. Health/Status
Manual toggle switch with integral solid blue LED for the locate
function:
3. System UID
• Push to turn on solid
• Push again to turn off
OffBlinking or solid
green
1. Port LinkI/O module
Solid amberOff2. Port Error
OffA number,
representing the box
3. 7–segment display
number, or an
error/warning code.
OffOff4. UID
OffSolid greenBlinking green5. Health
Blinking or solid
amber
Off6. Fault
OffSolid greenSolid greenStatusPower supply module
Verifying the operating status of the disk enclosures 19