Troubleshooting by system LEDs and diagnostics display
See the following section for information on available system LEDs and diagnostics display.
Drive LEDs This topic provides information on drive LEDs.
Front LEDs This topic provides information about the buttons and LEDs at front of the server.
Power supply LEDs This topic provides information about various power supply LED status and corresponding action suggestions.
System-board LEDs The following illustrations show the light-emitting diodes (LEDs) on the system board.
Firmware and RoT security module LEDs The following illustrations show the light-emitting diodes (LEDs) on the Firmware and Root of Trust Security Module (firmware and RoT security module).
External Diagnostics Handset The External Diagnostics Handset is an external device that is connected to the server with a cable, and it allows quick access to system information such as errors, system status, firmware, network, and health information.