Iom Leds; Iom Fan Led - Western Digital Ultrastar ScaleUp SE4U102 User Manual

User Guide
1.11.2 IOM LEDs
The IOM has three LEDs, one each for power, fault, and identification.
Figure 8: IOM LEDs Location
Table 10: IOM LEDs Identification
Number LED Name
1 IOM Identification
2 IOM Fault
3 IOM Power
1.11.3 IOM Fan LED
The IOM Fan has a single LED with three distinct states for fault condition, identification, and power off.
Color
Blue Blink @ 0.5 Hz (75% duty cycle) – Blinks only when IOM
Identification has been activated
Off - Not being identified
Amber Blink @ 0.5 Hz (75% duty cycle) – IOM has Fault
Off - IOM is functioning normally
Green Solid – IOM is on
Off – IOM is off
Behavior
1. Overview
1.11 LEDs
12