KNC Neptune Controller Board Problem

[bgibso01]

So I've had a 6 cube Neptune running for the past week without issues.  About 2 hours ago, it quit mining and the gui shows no cubes.  I've tried restarts, plug/unplug but no help.  This is currently the second board I have with this issue.  What's the issue?  I know I must be missing something.  Does the firmware just get corrupted and needs a recovery SD?

[dmasys]

what about the led´s on the controller board ?
power supply ok ?

[bgibso01]

what about the led´s on the controller board ?
power supply ok ?

Yep.  I can even reach the GUI, just doesn't show cubes.

[dmasys]

did you try with only one cube ?
wich psu you use ?

[bgibso01]

did you try with only one cube ?
wich psu you use ?

Yep.  I've got a Corsair 850 only supplying power to the BB.  The cubes are on separate 850w psus.  Same issue with cubes on 1200w plat server psu.

Going to try a recovery sd now.

[dmasys]

did you try to reflash the last firmware ?

[bgibso01]

did you try to reflash the last firmware ?

Yep.  Even went down to 1.02 and back up to 1.06s.  I figure something is corrupt somewhere that's not being overridden.

[bgibso01]

Recovery to RC6 didn't work either.  Starting to run out of ideas.

So far what I have found is instead of a long white flash, I get 3 short ones each separated by several seconds.  Never gets the green light.

[dmasys]

Recovery to RC6 didn't work either.  Starting to run out of ideas.

So far what I have found is instead of a long white flash, I get 3 short ones each separated by several seconds.  Never gets the green light.

got the same problem since yesterday on 2 board... leds on the bb flash correctly - similar to my other working ones...
did you solve your problem ?

[bgibso01]

Recovery to RC6 didn't work either.  Starting to run out of ideas.

So far what I have found is instead of a long white flash, I get 3 short ones each separated by several seconds.  Never gets the green light.

got the same problem since yesterday on 2 board... leds on the bb flash correctly - similar to my other working ones...
did you solve your problem ?

Yes, it was that the controller went bad.  If you are getting the 3 white flashes instead of a long one, then you can pretty much figure you need another controller.  I've been lucky and have been able to pick them up from old Saturn, Mercury & Jupiter machines.  It's the same controller board, just less ports.