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Interpreting LED messages

Internal LEDs

LEDs visible on the disk drives  Top

The following figure and table shows and describes the disk drive LEDs that are visible after you remove the bezel.

Indicator type

Status indicator

Description

Drive failure indicator

Blinking amber

The drive failed. The LED blinks amber once every second and the drive online indicator is off.

Off

Drive is operating normally.

Drive activity indicator

Blinking green

LED blinks with disk drive activity.

Off

No disk activity

Drive online indicator

Green

Round icon is lit indicating that the drive has power and is online.

Off

Drive is offline or has no power

LEDs visible on the power supplies  Top

The following figure and table shows and describes the power supply LEDs that are visible after you remove the bezel.

Indicator type

Status indicator

Description

Power-on indicator

Green

The power supply is operational.

Off

The power supply is off.

Fault indicator

Red

There is a power supply problem.

Off

The power supply is functioning properly.

AC present indicator

Green

The power supply has power.

Off

The power supply is not receiving power.

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