Disk Drive Leds - Sun Microsystems Enterprise 220R Service Manual

The following table provides a description of each LED.
LED Name
DC Status
Fault
AC-Present
7.12.1.4

Disk Drive LEDs

The disk drive LEDs are visible from the front of the system when the left door is
open, as shown in the following figure.
Icon Description
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 power supply is
non-functional and there is no DC output to
the system. The yellow LED on the system
front panel also lights if this LED is lit.
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.
Diagnostics and Troubleshooting
215