Psu Led - Western Digital Ultrastar Data102 User Manual

1. Overview
User Guide
1.7 LEDs
Figure 9: IOM Fan LED
Table 10: IOM Fan LED Identification
LED Name Color Behavior
Blink @ 2 Hz (50% duty cycle) – IOM Fan is being identified
Blink @ 1 Hz (50% duty cycle) – IOM Fan is reporting faults
Off – IOM Fan is on and reporting no faults
IOM Fan LED Amber
Note: LEDs have a 50% duty cycle (On
for 2 seconds, off for less than a second).
1.7.4 PSU LED
The PSU has a single multi-function LED. See the table below for a detailed functional description.
11