Sun Microsystems 220R Power Supply LEDs, The following table provides a description of each LED

Power Supply LEDs

Power supply LEDs are visible from the front of the system with the doors open. The following figure shows the LEDs on the power supply in bay 0.

Power supply 1	Power supply 2
DC status (Green)
Fault (Yellow)
AC present status (Green)

The following table provides a description of each LED.

LED Name Icon Description

DC Status

Fault

This green LED is lit to indicate that all DC outputs from the power supply are functional.

This yellow LED is lit to indicate a fault in the power supply. The supply is non-functional, and there is no DC output to the system. The amber LED on the system front panel also lights if this LED is lit.

AC present

This green LED is lit to indicate that the primary circuit has power. When this LED is lit, the power supply is providing Standby power to the system.

Chapter 7 Diagnostics and Troubleshooting 141