Power Supply Status Indicators

There are two status indicators (LEDs) on each power supply. These indicators are visible from the back of the server.

Status Indicator Name Icon Color State and Meaning

AC OK/ DC OK


OK LED icon

Green

  • OFF – No AC power is present.

  • SLOW BLINK – Normal operation. Input power is within specification. DC output voltage is not enabled.

  • STEADY ON – Normal operation. Input AC power and DC output voltage are within specification.

Fault-Service Required


Fault-Service Required LED icon

Amber

  • OFF – Normal operation. No service action is required.

  • STEADY ON – The power supply (PS) detected a PS fan failure, PS overtemperature, PS overcurrent, or PS overvoltage or undervoltage.