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Author Topic: hashboard not working after internet disconnected  (Read 1019 times)
condourfx (OP)
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March 04, 2017, 11:27:18 PM
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I have antminer S9 and the internet was disconnected for 1 hours and work again but I see one hashboard not working (the red led off)

I try do restart many time not work..

I check the board if burned or damaged but its fine and I don't see any damage .

I try connect this hashboard only but not working also .

Now I disconnect this hashboard and the others two board working good.

I've noticed when I connect and power on all hashboard ,the antminer Restart several times but two hashboard work good and the other one not working ( red led off)

how can resolve this problem ?
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philipma1957
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March 05, 2017, 08:14:30 PM
 #2


I have antminer S9 and the internet was disconnected for 1 hours and work again but I see one hashboard not working (the red led off)

I try do restart many time not work..

I check the board if burned or damaged but its fine and I don't see any damage .

I try connect this hashboard only but not working also .

Now I disconnect this hashboard and the others two board working good.

I've noticed when I connect and power on all hashboard ,the antminer Restart several times but two hashboard work good and the other one not working ( red led off)

how can resolve this problem ?


it is dead send it in for repair.


that happens to some boards when the internet dies off.

Sorry it happened to you.

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condourfx (OP)
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March 05, 2017, 10:56:39 PM
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I have antminer S9 and the internet was disconnected for 1 hours and work again but I see one hashboard not working (the red led off)

I try do restart many time not work..

I check the board if burned or damaged but its fine and I don't see any damage .

I try connect this hashboard only but not working also .

Now I disconnect this hashboard and the others two board working good.

I've noticed when I connect and power on all hashboard ,the antminer Restart several times but two hashboard work good and the other one not working ( red led off)

how can resolve this problem ?


it is dead send it in for repair.


that happens to some boards when the internet dies off.

Sorry it happened to you.

Thanks for reply

I try upgrade or change firmware I use this file to upgrade : https://shop.bitmain.com/files/download/s9-20160715-600M.tar.gz

I wait 20 minute after upgrade but nothing happened , I do reboot again and the all 3 hashboard work for 2-3 minutes normally and Hashrate increaset to 12 TH  but after that one board stop hashing ..
I think problem from firmware or control board because all hashboard can work but one of them stopped , I will try replace control board or try use another firmware , What you think ?
fanatic26
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March 09, 2017, 04:09:54 AM
 #4

Chances are you have a bad board. Please post the kernel log after booting and hashing for a bit. This will greatly help in troubleshooting the issue.

Stop buying industrial miners, running them at home, and then complaining about the noise.
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March 09, 2017, 07:19:25 PM
 #5

Chances are you have a bad board. Please post the kernel log after booting and hashing for a bit. This will greatly help in troubleshooting the issue.

Hey fanatic26,

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March 26, 2017, 05:45:46 PM
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Did you manage to repair ?
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