Status Leds And Buttons; Front Panel Leds - Cisco UCS C220 M4 Installation And Service Manual

Status LEDs and Buttons

Status LEDs and Buttons
This section describes the location and meaning of LEDs and buttons and includes the following topics
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Front Panel LEDs

Figure 3-1
Figure 3-1
1
2
3
4
5
Table 3-1 Front Panel LEDs, Definitions of States
LED Name
1 Hard drive fault
Note: If your controller is a
Cisco UCS RAID SAS 9300-8i
or 9300-8e HBA, see Cisco UCS
SAS 9300-8e HBA
Considerations, page C-4
differing LED behavior.
2
Hard drive activity
Cisco UCS C220 M4 Server Installation and Service Guide
3-2
Front Panel LEDs, page 3-2
Rear Panel LEDs and Buttons, page 3-4
Internal Diagnostic LEDs, page 3-6
shows the front panel LEDs.
Front Panel LEDs
HDD 02
HDD 01
HDD 05
HDD 04
Hard drive fault LED
Hard drive activity LED
Power button/power status LED
Identification button/LED
System status LED
State
Off—The hard drive is operating properly.
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Amber—Drive fault detected.
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• Amber, blinking—The device is rebuilding.
• Amber, blinking with one-second interval—Drive locate function activated.
for
Off—There is no hard drive in the hard drive tray (no access, no fault).
•
Green—The hard drive is ready.
•
Green, blinking—The hard drive is reading or writing data.
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Table 3-1 defines the LED states.
3 4
5
1 2
HDD 03
HDD 06 HDD 07
6 Fan status LED
7 Temperature status LED
8
Power supply status LED
9 Network link activity LED
Chapter 3 Maintaining the Server
6 8
7 9
HDD 08
OL-32473-01