Cisco Systems 9266CV-8i, C220 LED Name, Front Panel LEDs, Definitions of States continued

Chapter 3 Maintaining the Server

Status LEDs and Buttons

Table 3-1	Front Panel LEDs, Definitions of States (continued)
LED Name		State
System status		• Green—The server is running in normal operating condition.
		• Green, blinking—The server is performing system initialization and memory check.
		• Amber, steady—The server is in a degraded operational state. For example:
		– Power supply redundancy is lost.
		–	CPUs are mismatched.
		– At least one CPU is faulty.
		– At least one DIMM is faulty.
		– At least one drive in a RAID configuration failed.
		• Amber, blinking—The server is in a critical fault state. For example:
		–	Boot failed.
		– Fatal CPU and/or bus error is detected.
		– Server is in over-temperature condition.
Fan status		• Green—All fan modules are operating properly.
		• Amber, steady—One fan module has failed.
		• Amber, blinking—Critical fault, two or more fan modules have failed.
Temperature status		• Green—The server is operating at normal temperature.
		• Amber, steady—One or more temperature sensors have exceeded a warning
		threshold.
		• Amber, blinking—One or more temperature sensors have exceeded a critical
		threshold.
Power supply status		• Green—All power supplies are operating normally.
		• Amber, steady—One or more power supplies are in a degraded operational state.
		• Amber, blinking—One or more power supplies are in a critical fault state.
Network link activity		• Off—The Ethernet link is idle.
		• Green—One or more Ethernet LOM ports are link-active, but there is no activity.
		• Green, blinking—One or more Ethernet LOM ports are link-active, with activity.
Hard drive fault		• Off—The hard drive is operating properly.
		• Amber—This hard drive has failed.
		• Amber, blinking—The device is rebuilding.
Hard drive activity		• Off—There is no hard drive in the hard drive sled (no access, no fault).
		• Green—The hard drive is ready.
		• Green, blinking—The hard drive is reading or writing data.

Cisco UCS C220 Server Installation and Service Guide

OL-25760-01 3-3