Component

LED Color, Blinking Pattern

Status

 

 

 

 

Blue, glowing steadily

Normal/stack master

 

Blue, blinking

User-enabled module identifier

 

Amber, glowing steadily

Not used

 

Amber, blinking

Fault

 

Blue, dark

No fault/stack slave

IOM (Pass through)

Green, glowing steadily

Turned on

 

Green, blinking

Not used

 

Green, dark

Powered off

 

Blue, glowing steadily

Normal

 

Blue, blinking

User-enabled module identifier

 

Amber, glowing steadily

Not used

 

Amber, blinking

Fault

 

Blue, dark

No fault

Blower

Green, glowing steadily

Fan working

 

Green, blinking

Not used

 

Green, dark

Turned off

 

Amber, glowing steadily

Fan type not recognized, update the CMC

 

 

firmware

 

Amber, blinking

Fan fault; tachometer out of range

 

Amber, dark

Not used

PSU

(Oval) Green, glowing steadily

AC OK

 

(Oval) Green, blinking

Not used

 

(Oval) Green, dark

AC Not OK

 

Amber, glowing steadily

Not used

 

Amber, blinking

Fault

 

Amber, dark

No fault

 

(Circle) Green, glowing steadily

DC OK

 

(Circle) Green, dark

DC Not OK

Troubleshooting Non-responsive CMC

If you cannot log in to CMC using any of the interfaces (the web interface, Telnet, SSH, remote RACADM, or serial), you can verify the CMC functionality observing the LEDs on CMC, obtaining recovery information using the DB-9 serial port, or recovering the CMC firmware image.

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Dell 2 manual Troubleshooting Non-responsive CMC, Ac Ok, Dc Ok