Component LED Color, Blinking Pattern StatusAmber, glowing steadily Not usedAmber, blinking FaultBlue, dark No fault/stack slaveIOM (Pass through) Green, glowing steadily Turned onGreen, blinking Not usedGreen, dark Powered offBlue, glowing steadily NormalBlue, blinking User-enabled module identifierAmber, glowing steadily Not usedAmber, blinking FaultBlue, dark No faultBlower Green, glowing steadily Fan workingGreen, blinking Not usedGreen, dark Turned offAmber, glowing steadily Fan type not recognized, update the CMC firmwareAmber, blinking Fan fault; tachometer out of rangeAmber, dark Not usedPSU (Oval) Green, glowing steadily AC OK(Oval) Green, blinking Not used(Oval) Green, dark AC Not OKAmber, glowing steadily Not usedAmber, blinking FaultAmber, dark No fault(Circle) Green, glowing steadily DC OK(Circle) Green, dark DC Not OKEnclosure Blue When the host server is identifying the enclosureAmber Turned on or Reset, fault stateTroubleshooting Non-responsive CMCIf you cannot log in to CMC using any of the interfaces (the web interface, Telnet, SSH, remote RACADM, or serial), you can verifythe CMC functionality observing the LEDs on CMC, obtaining recovery information using the DB-9 serial port, or recovering theCMC firmware image.NOTE: It is not possible to log in to the standby CMC using a serial console.Observing LEDs to Isolate the ProblemThere are two LEDs on the left of the card:• Upper-left LED — Indicates power status. If it is not ON:194