Front panel LED and buttons - HPE ProLiant Gen10, Gen10 Plus and Gen11 servers

Posted by Team Server Builds on 1st Nov 2023

For users of HPE ProLiant Gen10 servers, it's imperative to become proficient with the various LEDs and buttons on the front panel. These indicators provide valuable insights into the server's operational status. While c-Class server blades employ a Health status LED bar, the Gen10 servers described herein utilize a Health LED. In this guide, we elaborate on each LED's status and their corresponding implications.

Front Panel LED and Button Definitions for HPE ProLiant Gen10 Servers

  1. UID LED/button
    • Solid Blue: UID is activated.
    • Off: UID is deactivated and iLO Service Port is ready for use.
    • Flashing Blue:
      • 1 Hz/cycle per sec: Remote management or firmware upgrade is in progress.
      • 4 Hz/cycle per sec: iLO manual reboot sequence has been initiated.
      • 8 Hz/cycle per sec: iLO manual reboot sequence is underway.
      • 1 fast flash, then off for 3 seconds: iLO Service Port status is Complete.
      • 4 medium flashes, then off for 1 second: iLO Service Port status is Busy.
      • 8 fast flashes, then off for 1 second: iLO Service Port status indicates an Error.
  2. Power On/Standby button and system power LED
    • Solid Green: System is powered on.
    • Flashing Green (1 Hz/cycle per sec): Power-on sequence is in progress.
    • Solid Amber: System is in standby mode.
    • Off: No power is present.
  3. Health LED
    • Solid Green: System is functioning normally.
    • Flashing Green (1 Hz/cycle per sec): iLO is in the process of rebooting.
    • Flashing Amber: System is in a degraded state.
    • Flashing Red (1 Hz/cycle per sec): System is in a critical condition.
  4. NIC status LED
    • Solid Green: A link to the network is established.
    • Flashing Green (1 Hz/cycle per sec): Network is active.
    • Off: No network activity is detected.

Conclusion
By understanding the nuanced signals of the front panel LEDs and buttons on your HPE ProLiant Gen10 server, you're better equipped to manage its health and operations efficiently. Whenever uncertain about any LED signals, refer back to this guide to ensure your server's continuous peak performance.

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