Front panel LED indicators
Below table lists the LED states on the front panel.
LED
Color
Power
Green
Green
1
Status
Green
Amber
Amber
HDD
Green
Amber
Status
Description
On
Power on
Blinking
System in ACPI sleep mode.
On
System in normal mode.
Blinking
• Defective CPU
• Defective DIMM
Blinking
• Redundant fan failure
• Redundant power supply
failure
• Non-critical temperature and
voltage failure
On
• Critical power supply failure
• Voltage power supply failure
• Critical temperature and
voltage failure
Off
• POST error
• NMI event
• Missing CPU or terminator
Blinking
HDD activity
Off
No HDD activity
On
HDD failure
The HDD LED will light green
when the four-bay hot-plug
cage is installed in the chassis.
9