Installing the System
Troubleshooting
Chapter 3
141
QuickFind Diagnostic Panel LEDs
The QuickFind diagnostic panel is located under the top cover and is attached to the top of the power supply
cage. This panel contains LEDs that illuminate to show the status of associated components and assemblies.
Table 3-22 lists the various LEDs and display combinations that you may encounter, and recommends the
appropriate maintenance action.
System LED
Attention
Flashing at 1 Hz
Yellow
Warning—System needs attention.
Redundancy lost, component failure pending.
(Additional information can be found in the
System Log).
System LED
Fault
Flashing at 2 Hz
Red
Hard fault, system halted.
System LED
Off
Off
N/A
System off.
Power LED
On
Steady
Green
Power normal.
Power LED
On
Flashing at 1 Hz
Yellow
Housekeeping voltage present.
Power LED
Off
Off
Off
Power off.
Disk LED
Flashing at rate
of disk activity
Green
Disk activity.
Thermal LED
OK
Steady
Green
Thermal OK.
Thermal LED
Warning
Flashing at 1 Hz
Yellow
Thermal warning.
Locator
LED/button
Flashing at 1 Hz
Blue
System locator LED can be remotely or
locally activated/deactivated.
Table 3-22
QuickFind Diagnostic Panel LED Definitions
Item
LED 0
LED1
LED2
LED3
Details
Processor
Socket 0
Socket 1
Socket 2
Socket 3
Check that recently installed items are
correctly installed.
Subsystem
CPU
board
Memory
board
I/O board
n/a
Check that the indicated board is correctly
seated.
I/O VRM
n/a
n/a
n/a
n/a
n/a
CPU VRM
n/a
n/a
n/a
n/a
n/a
Fan module
0
1
2
n/a
Check for a fan that is not functioning. Look
for loose connections or missing items.
Table 3-21
Front Control Panel LED Definitions (Continued)
LED/
Button
State
Flash Rate
Color
Description