Rear Fan Led - Western Digital Ultrastar Data60 User Manual

User Guide
Figure 10: PSU LEDs Location
Table 12: PSU LEDs Identification
Number LED Name
1 PSU Multi-
Function LED
1.11.5 Rear Fan LED
The Rear Fan has a single LED with three distinct states for indicating a fault condition, identification, or
normal operation.
Color
Green Solid – PSU is on and reporting no faults
Blink @ 2Hz (50% duty cycle) – PSU in firmware update mode
Off – PSU is disconnected from power
Amber Solid – PSU is disconnected from power or critical fault
causing a shutdown failure
Blink @ 0.5Hz (50% duty cycle) – PSU reporting warnings
Off – PSU is reporting no faults
Note: LEDs have a 50% duty cycle (On for 2
seconds, off for less than a second).
Behavior
1. Overview
1.11 LEDs
13