System power LED
Refer to the following table to interpret the system power status LED.
Table 8. System power LED patterns during normal operation
LED color
Status of hardware
Recommended action
No light
System is off or there is an
internal power supply failure.
Verify that system is powered on,
the power cables attached, and
your power source is live.
If the system power LED is not
green, the unit may be faulty.
Contact your solution provider.
Steady green
System is on and power supplies
are functioning properly.
No action required.
System status LED
Refer to the following table to interpret the system status LED.
Table 9. System status LED patterns during normal operation
LED color
Status of hardware
Recommended action
No light
System is off or there is no power. Verify that system is on and has
completed booting.
Steady green
POST and initialization is
completed. System is on and
functioning properly.
No action required.
Steady amber (for more than five
seconds—can take over a minute
to complete POST)
System is going through the
power-up process.
No action required.
Steady amber (for more than a
few minutes)
Unknown state, boot failed, or
the system is faulty.
Note: Once POST completes and
the switch has failed, steady
amber may result.
Perform the following steps:
1. Connect a serial cable to the
system.
2. Reboot the system.
3. Check the failure indicated on
the system console
4. Contact your solution
provider.
Flashing amber and green
Attention is required. A number
of variables can cause this status,
including a single power supply
failure, a fan failure, or one or
more environmental ranges have
been exceeded.
Check the management interface
and the error log for details on
the cause of the status.
Contact your solution provider.
Chapter 6. Monitoring the device 49