LED State
Over Temp
• Off = Server temperature good
• Amber = Server temperature too high, attention
required
System Event Log
• Green = Normal
• Red = System fatal
Component LEDs
• Off = Component health is assumed good
• Amber = Component health last known to be
bad
NOTE:
The Power Supply LED is lit only when a
failure or fault is detected in a power supply.
Loss of AC power to a power supply
generates a SEL entry, but does not result in
the Power Supply LED becoming lit.
Table 18: SAS disk drive LEDs : HBA mode
Drive activity LED status Drive status LED
status
Indication
Off, or flashing Alternating amber
and blue
The drive has failed, or a predictive failure alert has
been received for this drive; it also has been
selected by a management application.
Off, or flashing Blue The drive is operating normally, and it has been
selected by a management application.
Flashing irregularly Regularly flashing
amber(1 Hz)
The drive is active, but a predictive failure alert has
been received for this drive. Replace the drive as
soon as possible.
Flashing irregularly Off The drive is active, and it is operating normally.
Off Amber A critical fault condition has been identified for this
drive. Replace the drive as soon as possible.
Off Regularly flashing
amber(1 Hz)
A predictive failure alert has been received for this
drive. Replace the drive as soon as possible.
Off Off The drive is online.
Off Off Normal operation; no activity
Troubleshooting 95
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