Unidentified Blue Light Flashing

  • Last Post 16 January 2018
Tim de la Torre posted this 15 January 2018

I have a Pegasus R6 and there is a flashing blue light above the thunderbolt lights but below the power button. It's like 2 arrows creating an infinity loop. What does it mean?

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Devendra Kumar posted this 15 January 2018

Hi Tim,

It looks like this issue needs to be analyzed with the help of subsystem report of the unit to find out the exact issue. Please call technical support at 408-228-1500 or reach out through support case at  https://support.promise.com.


Richard Oettinger posted this 15 January 2018

Hey Tim,

dont think i've ever seen that. can you post a pic of it?

Tim de la Torre posted this 15 January 2018



There is a link to a photo of the flashing light 

Richard Oettinger posted this 15 January 2018

Well, that is odd. Not seen that in 6 years and it is not in the manual.

What happens if:

- you cycle the power

- have a TB cable plugged in and connected to your mac

- push the power button to shut it down


Tim de la Torre posted this 15 January 2018

I currently have it performing media patrol. Probably will take another 16 hours. 


I did power it off & on last night and the light didn’t go away. First time I’ve seen this. Everything looks good in the promise utility.

 One thing that is interesting with my unit is that when I push the power button,  The fan start running and ask like it’s going to turn off but then you can hear everything power down after about 15 seconds. It only actually powers on my drives if I hold the power button down for at least 10 seconds 

subsystem report here:



Tim de la Torre posted this 16 January 2018

Update. It finished media patrol with no problems. I moved it to a different computer and that flashing light went away. I'm still just really curious what that flashing light means as I can't find examples of it anywhere in the manual or anywhere else on line!