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Topic: Antminer S5 loses connection - Burns itself to death (Read 5001 times)

eretron (OP)

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Antminer S5 loses connection - Burns itself to death

June 28, 2015, 01:51:41 PM

Well I had quite unpleasant situation today, my rig lost internet connection for an hour, and during that period 1 of 2 S5 Units fried itself to death. Many chips on the hashboards are burnt and cracked opened form the heat. I can log into web interface, so control board seems fine, its just that all ASIC chips are now bunch of ------------

Will update with pictures later in the evening.

I have already read about issue with some S5 units that autoshutdown > 80c is not working, and that if unit looses internet connection it rises temperature well over 80c.

https://bt.irlbtc.com/view/902305.msg10837179#msg10837179

I am first owner, and bought units directly from BitMain, is there any way I could get replacement under warranty?

Did anyone had similar experience?

Thanks

UPDATE Edit:

This guy had similar situation, so I guess BitMain should be aware of the issue by now, I will contact them today, and let you know how it all went.

https://bt.irlbtc.com/view/1102007.msg11732219#msg11732219

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Rabinovitch

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Re: Antminer S5 loses connection - Burns itself to death

June 28, 2015, 02:03:28 PM

That is why all (or at least one) S5 fans should be connected directly to PSU.

From Siberia with love!
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eretron (OP)

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Re: Antminer S5 loses connection - Burns itself to death

June 28, 2015, 02:07:39 PM

Well,

this one was with stock fan, it never had temp issues, running really stable for the past 2 and a half months at stock speed.

But I will do what you said for the other S5 that is still alive Cheesy

Thanks

adaseb

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Re: Antminer S5 loses connection - Burns itself to death

June 28, 2015, 02:47:11 PM

Does anybody know if any Antminer S3+ have these issues? I had internet issues in the past and the miners just kept beeping and beeping, didn't seem to overheat.

eretron (OP)

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Re: Antminer S5 loses connection - Burns itself to death

June 28, 2015, 03:31:29 PM

Not so sure about S3+, but all my S3s are fine, never had anything similar...

Those S3s are real tanks in the mining world if you ask me.

Biodom

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Re: Antminer S5 loses connection - Burns itself to death

June 28, 2015, 03:36:56 PM
Last edit: June 28, 2015, 06:52:02 PM by Biodom

many people had a similar problem with some, but probably not all of S5 (opentoe and HolgerDansk were among the first) and aarons6 reproduced the phenomenon.
From all these cases I assume that Bitmain is fully aware of this, but keeps mum and deals with each case by itself.
I escaped the burnout, but miner was overheating.
Your case seems to be the most severe and dangerous, but you can see from the thread below that S5 in jtoomim facility also burned down during intermittent internet situation.
thread:
https://bt.irlbtc.com/view/902305.msg11185972#msg11185972

notlist3d

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Re: Antminer S5 loses connection - Burns itself to death

June 28, 2015, 05:16:15 PM

Quote from: eretron on June 28, 2015, 01:51:41 PM

I am first owner, and bought units directly from BitMain, is there any way I could get replacement under warranty?

I'm guessing it would depend on how long you have had it if it's still under warranty. You can start a ticket though and see over here - https://bitmain.zendesk.com/hc/en-us

eretron (OP)

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Re: Antminer S5 loses connection - Burns itself to death

June 28, 2015, 06:24:32 PM

Unit is less then 4 months old... I thinks I am still good.

philipma1957

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Re: Antminer S5 loses connection - Burns itself to death

June 28, 2015, 06:29:10 PM

Quote from: eretron on June 28, 2015, 06:24:32 PM

Unit is less then 4 months old... I thinks I am still good.

90 day warranty I think you will be disappointed. But I do make errors.

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notlist3d

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Re: Antminer S5 loses connection - Burns itself to death

June 28, 2015, 07:05:33 PM

#10

Quote from: philipma1957 on June 28, 2015, 06:29:10 PM

Quote from: eretron on June 28, 2015, 06:24:32 PM

Unit is less then 4 months old... I thinks I am still good.

90 day warranty I think you will be disappointed. But I do make errors.

You are correct it is 90 days - https://bitmain.zendesk.com/hc/en-us/articles/202661989-Limited-90-Day-Warranty-Terms .

sidehack

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Re: Antminer S5 loses connection - Burns itself to death

June 28, 2015, 07:10:05 PM

#11

Pretty great to build a product that eats itself from something simple as the 'webs going out and not cover that for replacement. Have they tried to do any firmware fixes or really even acknowledge the problem?

Cool, quiet and up to 1TH pod miner, on sale now!
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eretron (OP)

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Re: Antminer S5 loses connection - Burns itself to death

June 28, 2015, 07:32:56 PM

#12

Quote from: notlist3d on June 28, 2015, 07:05:33 PM

Quote from: philipma1957 on June 28, 2015, 06:29:10 PM

Quote from: eretron on June 28, 2015, 06:24:32 PM

Unit is less then 4 months old... I thinks I am still good.

90 day warranty I think you will be disappointed. But I do make errors.

You are correct it is 90 days - https://bitmain.zendesk.com/hc/en-us/articles/202661989-Limited-90-Day-Warranty-Terms .

I have ordered them 24th of March (so 94 days), they have arrived to me I think 10 days later Cheesy

So I guess they will count date of purchase, anyhow I will report this and see what happens, maybe someone at BitMain will have understanding for what happened.

sidehack

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Re: Antminer S5 loses connection - Burns itself to death

June 28, 2015, 07:55:02 PM

#13

If you pull the blue wire on the fan, it should be locked to 100% full time (no throttling) without needing to wire up stuff directly to PSU. Should work.

notlist3d

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Re: Antminer S5 loses connection - Burns itself to death

June 28, 2015, 08:48:29 PM

#14

Quote from: eretron on June 28, 2015, 07:32:56 PM

Quote from: notlist3d on June 28, 2015, 07:05:33 PM

Quote from: philipma1957 on June 28, 2015, 06:29:10 PM

Quote from: eretron on June 28, 2015, 06:24:32 PM

Unit is less then 4 months old... I thinks I am still good.

90 day warranty I think you will be disappointed. But I do make errors.

You are correct it is 90 days - https://bitmain.zendesk.com/hc/en-us/articles/202661989-Limited-90-Day-Warranty-Terms .

I have ordered them 24th of March (so 94 days), they have arrived to me I think 10 days later Cheesy

So I guess they will count date of purchase, anyhow I will report this and see what happens, maybe someone at BitMain will have understanding for what happened.

Wish you best of luck you can make a ticket over at - https://bitmain.zendesk.com/hc/en-us .

beffje

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Re: Antminer S5 loses connection - Burns itself to death

June 28, 2015, 09:47:23 PM

#15

Had the same last week.
I'm running 5 S5's so i was pretty sick from it.
2 where broken. One had a board with 4 chips that don't work any more.
And the other one had a hole board that's broken. This one is a month old so it's going back to bitmain tomorrow.

Then i did a furmware update and i think bitmain fixed it olready. Becouse on friday my internet went out again and temp stayed the same for the 5 minits i checked. Anyone tried to do this?

professor21

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Re: Antminer S5 loses connection - Burns itself to death

June 28, 2015, 11:34:04 PM

#16

wow that's a serious issue, is a firmware upgrade going to fix the temp shutdown? or maybe you need a fan or thermal cooling paste?
the previous owner of my 2 s3s told me he had no problems for 2 years. is the price of bitcoin going to go up?

sidehack

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Re: Antminer S5 loses connection - Burns itself to death

June 29, 2015, 12:08:46 AM

#17

Quote from: professor21 on June 28, 2015, 11:34:04 PM

the previous owner of my 2 s3s told me he had no problems for 2 years.

You were lied to. The S1 didn't even exist two years ago. AM Blades and, technically, the first few BFL units were just starting to move.

professor21

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Re: Antminer S5 loses connection - Burns itself to death

June 29, 2015, 01:24:12 AM

#18

I bought 2 s3s for $300 with 2 power supplys was it a good deal? I could have maybe bought the s5. do I need a router with bridge of any speed to get them mining?

eretron (OP)

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Re: Antminer S5 loses connection - Burns itself to death

June 29, 2015, 01:59:54 PM

#19

Here are some pictures of the miner:

U can clearly see that the plastic cover has bent due to excess heat:

Exploded components:

eretron (OP)

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Re: Antminer S5 loses connection - Burns itself to death

June 29, 2015, 02:30:19 PM

#20

It shouldn't heat up if it looses internet connection, it makes no sense. I guess that unit goes into some kind of loop... But why besides that it didn't shut down >80c is beyond me...

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