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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