Intel SR1690WB Service Guide - Page 31

Intel® Light Guided Diagnostics

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Intel® Light Guided Diagnostics The server system contains numerous LEDs providing the following functions: • The System Status LED on the front and back panels (see Figure 6) shows the overall health of the system (green, blinking green, blinking amber, and off). • The System Identification LED on the back panel (see Figure 6) helps identify the server from among several servers. By default, the ID LED is off, and blue when activated by button or software. • DIMM Fault LEDs on the server board (see Figure 6) help identify failed and failing DIMM slots. The DIMM fault LEDs turn on (amber) if there is a DIMM fault. • POST Code Diagnostic LEDs on the server board (see Figure 6) change color or state (off, green, red, amber) according to the POST sequence. • The 5-V STBY LED on the server board (see Figure 6) is illuminated (green) when AC power is applied. • The Fan Fault LEDs on the server board (see Figure 6) help identify failed and failing fans. The fan fault LEDs turn on (amber) if there is a fan fault. Intel® Server System SR1690WB Service Guide 13

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Intel
®
Server System SR1690WB Service Guide
13
Intel
®
Light Guided Diagnostics
The server system contains numerous LEDs providing the following functions:
•
The System Status LED on the front and back panels (see
Figure 6
) shows the
overall health of the system (green, blinking green, blinking amber, and off).
•
The System Identification LED on the back panel (see
Figure 6
) helps identify the
server from among several servers. By default, the ID LED is off, and blue when
activated by button or software.
•
DIMM Fault LEDs on the server board (see
Figure 6
) help identify failed and failing
DIMM slots. The DIMM fault LEDs turn on (amber) if there is a DIMM fault.
•
POST Code Diagnostic LEDs on the server board (see
Figure 6
) change color or
state (off, green, red, amber) according to the POST sequence.
•
The 5-V STBY LED on the server board (see
Figure 6
) is illuminated (green) when
AC power is applied.
•
The Fan Fault LEDs on the server board (see
Figure 6
) help identify failed and
failing fans. The fan fault LEDs turn on (amber) if there is a fan fault.