Controller Power Supply LED Indicators

The LED indicators on the power supplies are at the left of the fan of each power supply and provide power activity status.

Table 1 Controller power supply LED status and description
Location	Name	Color	Status and meaning
Top	OK	Green	On – Power supply is functional without fault. Off – Power supply is off or initializing. Flashing – No function.
Middle	Attention Service Required	Amber	On – Normal fault detected. Off – No faults detected. Flashing – No function.
Bottom	AC or DC	Green	On – Input power present and good. Off – Input power not present. Flashing – No function.