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Dell Chassis Management Controller Version 3.10 for Dell EMC PowerEdge VRTX User's Guide

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Interpreting LED Colors and Blinking Patterns

The LEDs on the chassis provide the following status of a component:

  • Steadily glowing green LEDs indicate that the component is turned on. If the green LED is blinking, it indicates a critical but routine event, such as a firmware upload, during which the unit is not operational. It does not indicate a fault.
  • A blinking amber LED on a module indicates a fault on that module.
  • Blue, blinking LEDs are configurable by the user and used for identification. For more information about configuration, see Configuring LEDs to Identify Components on the Chassis.
Table 1. LED Color and Blinking Patterns . The following table describes the color and blinking patterns of the chassis LEDs.
Component LED Color, Blinking Pattern Status
CMC Green, glowing steadily Turned on
Green, blinking Firmware is being uploaded
Green, dark Turned off
Blue, glowing steadily Active
Blue, blinking User-enabled module identifier
Amber, glowing steadily Not used
Amber, blinking Fault
Blue, dark Standby
Server Green, glowing steadily Turned on
Green, blinking Firmware is being uploaded
Green, dark Turned off
Blue, glowing steadily Normal
Blue, blinking User-enabled module identifier
Amber, glowing steadily Not used
Amber, blinking Fault
Blue, dark No fault
IOM (Common) Green, glowing steadily Turned on
Green, blinking Firmware is being uploaded
Green, dark Turned off
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
Enclosure Blue When the host server is identifying the enclosure
  Amber Turned on or Reset, fault state

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