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System-board LEDs

This section contains information on the light-emitting diodes (LEDs) on the system board.


System-board LEDs
Table 1. System-board LEDs description and actions
  • 1 System power LED (yellow)
    • Off: No power supply is properly installed, or the LED itself has failed.
    • Flashing rapidly (four times per second): The node is turned off and is not ready to be turned on. The power button is disabled. This will last approximately 5 to 10 seconds.
    • Flashing slowly (once per second): The node is turned off and is ready to be turned on. You can press the power button to turn on the node.
    • Lit: The node is turned on.
  • 2 ME heartbeat LED (green)
    • Blinking: PCH ME is functioning.
    • On: PCH ME is malfunctioning.
    • Off: PCH ME is malfunctioning.
  • 3 XCC heartbeat LED
    • Blinking slowly: XCC is functioning.
    • Blinking rapidly and constantly: XCC is initializing or malfunctioning.
    • On: XCC is malfunctioning.
    • Off: XCC is malfunctioning.