Led Indicators (Lights) - Western Digital My Book User Manual

LED Indicators (Lights)

The Power/Activity and Capacity Gauge indicators are represented by a single bar of
six LEDs (lights) on the front panel of the drive.
Power/Activity LED Behavior
Power On Sequence
Appearance
Bottom LED dimmed
LEDs light up in sequence from bottom to top
Normal Operation
Appearance
Capacity Gauge, steady illumination (see below)
Moving up and down
Slow flashing (every four seconds)
Capacity Gauge
When the device is turned on, the Capacity Gauge indicates space used on the drive
by fully illuminating six sections in an upward vertical direction. Each section
represents approximately 17 percent of drive capacity. Because this drive is
preformatted, the first section is illuminated upon installation.
Power Down Sequence
Appearance
Dimming up/dimming down in an odd/even alternating
pattern
Device Events
Appearance
Bottom LED dimmed, top LED flashing
Fast flashing (every half second)
Continuous "center out" sweep pattern
MY BOOK WORLD EDITION
Drive State
Powering up
Transitioning to drive ready
Drive State
Power-on state, ready for use
Drive in use
System standby
Drive State
Drive powering down
Drive State
Boot unsuccessful
My Book system event, action required
(see "System Events" on page 136)
Unit failure
USER MANUAL
OVERVIEW - 9