All Front Panel LED states:

Match the following LED combinations with the system front panel LEDs to determine the state of the server.

Legend: Green/On
On
- On
Green/Off
Off
- Off
Green/Flash
Flashing
- Flashing
Run Attn Fault Description
Green/On
On
Yellow/Off
Off
Red/Off
Off

State:

  • System running normally. You should expect an OS prompt, if not, system may be hung.
Green/On
On
Yellow/Off
Off
Red/On
On
This is an invalid indication. Check the server's LEDs and try again.
Green/On
On
Yellow/Off
Off
Red/Flash
Flashing

State:

  • The system crashed and rebooted itself successfully
Green/On
On
Yellow/Flash
Flashing
Red/Off
Off

State:

  • 1. There was a system interruption that did not take the system down
Green/On
On
Yellow/Flash
Flashing
Red/On
On
This is an invalid indication. Check the server's LEDs and try again.
Green/On
On
Yellow/Flash
Flashing
Red/Flash
Flashing

State:

  • System running, and
  • A) unexpected reboot occurred, and
  • B) a non-critical error has been detected
Green/Flash
Flashing
Yellow/Off
Off
Red/Off
Off

State:

  • Executing non-OS code - no problems detected
  • System may be hung or waiting for BCH response
  • Potential causes could be PDC never executed (problem with fetching code from PDH), HPMC while PDC was configuring system.
Green/Flash
Flashing
Yellow/Off
Off
Red/On
On

State:

  • Boot failed
  • Executing non-OS code.
Green/Flash
Flashing
Yellow/Off
Off
Red/Flash
Flashing

State:

  • Unexpected reboot occurred
  • Executing non-OS code.
Green/Flash
Flashing
Yellow/Flash
Flashing
Red/Off
Off

State:

  • Executing non-OS code.
  • Non-critical error detected (ie. fan failure, power supply failure)
Green/Flash
Flashing
Yellow/Flash
Flashing
Red/On
On

State:

  • Boot failed
  • Executing non-OS code.
  • Non-critical error detected (ie. fan failure, power supply failure)
Green/Flash
Flashing
Yellow/Flash
Flashing
Red/Flash
Flashing

State:

  • Unexpected reboot/system recovering.
  • Executing non-OS code.
  • Non-critical error detected (ie. fan failure, power supply failure)
Green/Off
Off
Yellow/Off
Off
Red/Off
Off

State:

  • A) If Power LED Off
  • B) If Power LED Flashing
  • C) If Power LED On

Action:

  • A) Check Power Supply switches and LEDs
  • Power supply switches should be on and LEDs should be on to indicate presence of AC.
  • Check AC power at source
  • B) Turn Front Panel Power Switch on - LED should be on solid
  • If LED continues to flash, system has been remotely powered off by the service processor or the power monitor has failed.
  • Execute service processor PC command: type CTRL B, log into the service processor, and type PC at the prompt.
  • If this doesn't cause the LED to go on solid, problem is most likely with the power monitor.
  • C) Cannot execute PDC. If more than one processor installed, the problem is most likely a failed system board. If only one processor installed, problem could be either the processor or system board.
Green/Off
Off
Yellow/Off
Off
Red/On
On

State:

  • Boot failed
  • OS not up and running, PDC has detected a failure that is preventing boot from occurring.
Green/Off
Off
Yellow/Off
Off
Red/Flash
Flashing

This is an invalid indication. Check the server's LEDs and try again.

Green/Off
Off
Yellow/Flash
Flashing
Red/Off
Off

State:

  • No code is executing (PDC, OS or Diagnostics)
  • Non-critical error detected (ie. fan failure, power supply failure) (Double fault situation)
Green/Off
Off
Yellow/Flash
Flashing
Red/On
On

State:

  • Boot failed
  • OS not up and running, PDC has detected a failure that is preventing boot from occurring.
  • Non-critical error detected (ie. fan failure, power supply failure)
Green/Off
Off
Yellow/Flash
Flashing
Red/Flash
Flashing

This is an invalid indication. Check the server's LEDs and try again.

Yellow/On
On
Any combination with yellow on is an invalid indication since yellow is never on solid.