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