Appendix B  LEDs

Flashing amber

Steady green/Flashing green

A drive failure is predicted. Replace the drive immediately.

Steady amber

Steady green/Flashing green

The drive is faulty. Replace the drive immediately.

Steady blue

Steady green/Flashing green

The drive is operating correctly and is selected by the RAID controller.

Off

Flashing green

The drive is performing a RAID migration or rebuilding, or the system is reading or writing data to the drive.

Off

Steady green

The drive is present but no data is being read or written to the drive.

Off

Off

The drive is not securely installed or a drive failure has occurred.

1000Base-T Ethernet port LED

·     Steady green—A link is present on the port.

·     Flashing green—The port is receiving or sending data.

·     Off—No link is present on the port.

HMD dedicated network port LED

·     Steady green—A link is present on the port.

·     Flashing green—The port is receiving or sending data.

·     Off—No link is present on the port.

UID button LED

·     Steady blue—UID LED is activated. The UID LED can be activated by using the following methods:

¡     Press the UID button LED.

¡     Enable UID LED from HDM.

·     Flashing blue:

¡     Slow flashing—The firmware is being upgraded or the system is being managed from HDM.

¡     Fast flashing—HDM is restarting. To restart HDM, press the UID button LED for eight seconds.

·     Off—UID LED is not activated.

Health LED

·     Steady green—The system is operating correctly, or a minor alarm has occurred.

·     Flashing green—Initializing HDM.

·     Slow flashing amber—A pre-alarm has occurred.

·     Fast flashing amber—A general alarm has occurred.

·     Flashing red—A severe alarm has occurred.

Power on/standby button and system power LED

·     Steady green—The system has started.

·     Flashing green—The system is starting.

·     Steady amber—The system is in standby state.

·     Off—No power is present. The reasons might be the following:

¡     No power source is connected.

¡     No power supply is present.

¡     The installed power supplies are faulty.

¡     The system power LED is not connected correctly.

Fan module status LED

·     Steady green—The fan module is operating correctly.

·     Steady red—The fan module is faulty.

·     Off—The fan module is not installed securely, or no power is present on the fan module.

Power supply status LED

·     Steady green—The power supply is operating correctly.

·     Fast flashing green—Power is being input correctly but the system is not powered on.

·     Slow flashing green—The power supply is for backup and provides no power output.

·     Steady amber—Either of the following conditions exists:

¡     The power supply is faulty.

¡     The power supply does not have power input, but the other power supply has correct power input.

·     Flashing amber—An alert has occurred.

·     Off—Both power supplies do not have power input, which can be caused by incorrect power cord connection or power source shutdown.