Internal Diagnostic LEDs
Internal Diagnostic LEDs
The server has internal fault LEDs for CPUs, DIMMs, and fan modules.
Figure 13: Internal Diagnostic LED Locations
1
Fan module fault LEDs (one on the top of each fan
module)
• Amber—Fan has a fault or is not fully seated.
• Green—Fan is OK.
2
CPU fault LEDs (one behind each CPU socket on the
motherboard).
These LEDs operate only when the server is in standby
power mode.
• Amber—CPU has a fault.
• Off—CPU is OK.
Cisco UCS C240 M5 Server Installation and Service Guide
38
3
DIMM fault LEDs (one behind each DIMM socket on the
motherboard)
These LEDs operate only when the server is in standby
power mode.
• Amber—DIMM has a fault.
• Off—DIMM is OK.
-
Maintaining the Server