Sun Microsystems enterprise server 220r User Manual
Chapter 7
Diagnostics and Troubleshooting
141
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.
The following figure shows the LEDs on the power supply in bay 0.
The following table provides a description of each LED.
LED Name
Icon
Description
DC Status
This green LED is lit to indicate that all DC
outputs from the power supply are functional.
outputs from the power supply are functional.
Fault
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.
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.
primary circuit has power. When this LED is
lit, the power supply is providing Standby
power to the system.
Power supply 1
Power supply 2
AC present status (Green)
Fault (Yellow)
DC status (Green)