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Server System Features
Intel
®
Server System R1000GZ/GL Service Guide 7
The server system contains the following diagnostic LEDs, each providing the following functions:
A - The System Identification LED on the front and back panel helps identify the server from among
several servers. The ID LED is off by default, and blue when activated by button or software.
B - The System Status LED on the front and back panels shows the overall health of the system (green,
blinking green, blinking amber, amber, off).
C - POST Code Diagnostic LEDs on the server board change color or state (off, green, red, and amber)
according to the POST sequence.
D - The 12V-STBY LED on the server board is illuminated (green) when power is applied.
F, G, H, I, K and L - Fan Fault LEDs help identify failed and failing fans. The fan fault LEDs turn on
(amber) if there is a fan fault.
E and M – CPU fault LEDs help identify the failure of CPU. The CPU fault LEDs turn on (amber) if there
is a CPU fault.
J - DIMM Fault LEDs on the server board help identify failed and failing DIMM slots. The DIMM fault
LEDs turn on (amber) if there is a DIMM fault.