3-6
Cisco UCS C220 Server Installation and Service Guide
OL-25760-01
Chapter 3 Maintaining the Server
Status LEDs and Buttons
Internal Diagnostic LEDs
The server has internal fault LEDs for fan modules and DIMMs. An LED lights amber to indicate a failed
component.
Note
Power must be connected to the server for these LEDs to be operate.
See
Figure 3-3
for the locations of these internal LEDs.
Figure 3-3
Internal Diagnostic LED Locations
FAN4
1
2
331693
1
Fan module fault LEDs (one next to each fan
connector on the motherboard)
2
DIMM fault LEDs (one next to each DIMM
socket on the motherboard)
Table 3-3
Internal Diagnostic LEDs, Definition of States
LED Name
State
Internal diagnostic LEDs (all)
•
Off—Component is functioning normally.
•
Amber—Component has failed.
