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Author Topic: ANTMINER S4 Discussion and Support Thread  (Read 301198 times)
MyRig
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April 25, 2015, 06:53:27 PM
 #2721

@luthermarcus,

If you simply bricked it, returning your Bricked S3 control PCB to Denver address with $15 Money Order, the replacement be send your way.

Bitmain Warranty
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Unit 100-239,
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Tel: 844-248-6246  (844-BIT-MAIN)

* Better Status Tracking, please send email to support@bitmain.zendesk.com and let the techs know your tracking number.


@bhanu545,

Please roll it back to older firmware and see if the problem goes away.


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Return Address: MyRig 3700 Quebec Street, Unit 100-239, Denver, Colorado 80207, USA
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Cyper_BLC
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April 25, 2015, 08:08:20 PM
 #2722

I am facing a new problem with s4's. The stale/orphan shares are very often for me on p2pool with new firmware. Any one else facing this issue and has a solution for this? Huh

i had this problem too. i found a block with S4 same like you, and orphaned. i think someones steal ours.

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luthermarcus
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April 25, 2015, 09:31:22 PM
 #2723

I have the fan problem too on one of my antminers

its only a month old and the fans wont go over 3k so its limited at 1500 or so hash rate


Are they the original fans? If you bought it from bitmain then they should be but some people replace fans with low specs. Either that or your fan is slowly failing.

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April 25, 2015, 10:30:46 PM
 #2724

No problem, enjoy! The firmware works very well, as do all of smit1237's firmwares. (he made this firmware for nicehash)

Does Smits firmware fix the p=x.xxxx problem for switching pools from nicehash. Thanks in advance
Of course it solves that problem, if this firmware listed on nicehash...

Actually it doesn't, unfortunately. If p= is set below whats being paid, it works, but if p= is set above the current price it doesn't switch to the second pool. It just stays stuck on nicehash, not getting any work, and not getting work from the second pool. It just idles.

Hey Prelude

Thanks for the S4, Works great.

BTW a way i avoid all those problems, "extranouce, Pool not changing etc." is by using a Proxy server. i use the one posted on nicehash. easy to set up and works nicely.
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April 25, 2015, 10:39:27 PM
 #2725

So, if price settings still doesn't work, please ask nicehash to fix that, i've used latest patch from them.
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April 27, 2015, 03:34:41 AM
 #2726

Sadly have had my first fan quit.  These S4's have been workhorses.  This is first problem I have had with it.   If I would not have been moving miners I doubt I would have known, the fan half way still spins.

Ordered a replacement fan should have it mid week.  I will document it and show how well it hopefully works.   It was far out of warrenty so I went with replacement.
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April 27, 2015, 10:20:49 AM
 #2727

Which fan did you bought for replacement?

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April 27, 2015, 11:39:35 AM
 #2728

Which fan did you bought for replacement?

I used this article to decide:
https://bitmain.zendesk.com/hc/en-us/articles/204199879-Antminer-S4-fan-specification-and-possible-replacement-fans


I ended up going with the "Sanyo Denki SunAce 120 9GV1212P1J091".  If it turns out to be to cheap or i don't like it I will order one of the delta fans.  This one was just the cheapest but still had good RPM. I should have it midweek.
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April 27, 2015, 07:19:27 PM
 #2729

Great choice, I think that Sanyo will do the job. Please post here your tests and conclusions.

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April 27, 2015, 09:10:49 PM
 #2730

No problem, enjoy! The firmware works very well, as do all of smit1237's firmwares. (he made this firmware for nicehash)

Does Smits firmware fix the p=x.xxxx problem for switching pools from nicehash. Thanks in advance
Of course it solves that problem, if this firmware listed on nicehash...

Actually it doesn't, unfortunately. If p= is set below whats being paid, it works, but if p= is set above the current price it doesn't switch to the second pool. It just stays stuck on nicehash, not getting any work, and not getting work from the second pool. It just idles.

Hey Prelude

Thanks for the S4, Works great.

BTW a way i avoid all those problems, "extranouce, Pool not changing etc." is by using a Proxy server. i use the one posted on nicehash. easy to set up and works nicely.

Thanks - I tried this after your post and it works well and as stated easy to setup for the most part.

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April 27, 2015, 11:19:46 PM
 #2731

Great choice, I think that Sanyo will do the job. Please post here your tests and conclusions.

Will do!  Should be Wednesday when I receive it.  If all goes well I should have some pics and put it in and have pictures that night.
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April 29, 2015, 05:20:12 AM
 #2732

I should be getting the "Sanyo Denki SunAce 120 9GV1212P1J091" fan tomorrow.  Has anyone tried it?

I'm wondering if it's plug and play.  Or if I will need to do anything to fan or wiring.

Thanks!
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April 29, 2015, 01:52:33 PM
 #2733

Well if we look at specs on Sanyo it should be plug and play... but there could be a case when you would need to connect it directly to PSU. You will see when fan arrives.

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April 29, 2015, 11:11:51 PM
 #2734

I will upload pictures "Sanyo Denki SunAce 120 9GV1212P1J091" is good for my  needs.   It was a fan close to board that stopped working,  had it been one farther away I would have needed to expand the wire length.  Also there is a plastic part for 3 pin setup on the sanyo cord, i filled it off so it fit clean against the 4 pin on board.

It does spin 1500 RPM faster the the regular fans.   So far all is looking good.  But I will monitor it.
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April 30, 2015, 12:42:46 AM
 #2735

Here is what the stats look like with the sanyo fan. It is circled in red you will see it does have a higher RPM.  I think for the money was good deal.  Cheaper then Delta and faster then delta.  Now I will watch it over time to see if it lasts good.

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April 30, 2015, 02:48:46 AM
 #2736

notlist3d with the fans spinning faster are they louder or quieter?? oh and did it reduce the heat on the boards by anything noticeable??

also what mining group are u mining with to mine at 16.4k diff??

Sorry now im being a pain.. was ur S4 a B1 or B2? I have a B2 that i got on December 20th so i'm trying to work out when my fans & psu are going to die..

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April 30, 2015, 04:31:10 AM
 #2737

notlist3d with the fans spinning faster are they louder or quieter?? oh and did it reduce the heat on the boards by anything noticeable??

also what mining group are u mining with to mine at 16.4k diff??

Sorry now im being a pain.. was ur S4 a B1 or B2? I have a B2 that i got on December 20th so i'm trying to work out when my fans & psu are going to die..

I believe mine are B2's.   I know I waited just a bit and I want to say very early batch 2.

On sound I cant really say.  Currently I have some of my gear sit up in a top story of my garage including this one.  I'm working on wiring more circuits it will have quite a few miners out there.

Mining BTC trying a site the varidifficulty seems to set difficulty high.

I will get some pictures up tomorrow.
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April 30, 2015, 05:02:14 PM
 #2738

Here is what the stats look like with the sanyo fan. It is circled in red you will see it does have a higher RPM.  I think for the money was good deal.  Cheaper then Delta and faster then delta.  Now I will watch it over time to see if it lasts good.


Thanks for detailed answer... Did you need to modify anything to connect fan or is it just plug and play?

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April 30, 2015, 06:22:27 PM
 #2739

Here is what the stats look like with the sanyo fan. It is circled in red you will see it does have a higher RPM.  I think for the money was good deal.  Cheaper then Delta and faster then delta.  Now I will watch it over time to see if it lasts good.


Thanks for detailed answer... Did you need to modify anything to connect fan or is it just plug and play?

I'm going to make a thead to show the steps I did.  You could "force" it on but it pushes the white plastic connector more then I liked.   There is a spot on it I believe made it where it could do a 3 pin easy, as and also do 4 pin.

I used a knife and file to get rid of the 3 pin guide on the plastic.  It worked the file is a little slower method but it makes sure less chance of messing it up.
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May 01, 2015, 04:27:32 AM
 #2740

Replacing S4 Fan

First make sure you are out of your warranty as replacing fan violates it. (Warranty is 90 day's so it's a good chance yours is out of warranty). Then look at Bitmain suggestions on fan's - https://bitmain.zendesk.com/hc/en-us/articles/204199879-Antminer-S4-fan-specification-and-possible-replacement-fans

I personally chose the Sanyo Denki SunAce 120 9GV1212P1J091

Stats from Bitmain:

Dimension: 120*120*38mm
Voltage: 12V
Power consumption: 6400RPM 36W
Rated current: DutyCycle 100% @ 3A
Air Flow: 6400RPM @ 224CFM
Noise: 6400RPM @ 64 dB-A
Air Pressure: 6400RPM 36.82 MM-H2O
Life Expectancy: 40000 hrs @ 40°C
Connector: 2510-4P

Install:
You will unscrew the 6 screws holding on the top of the case.  Also unscrew the fan metal guard with 4 screws this will release old fan.   You can unplug the old fan from the board.


The new fan:
One thing I ran into was the new fan had a plastic piece for allowing it to set up on a three pin fan assembly easy.  I used a file and pocket knife to remove the 3 pin plastic.  This allowed me to put it in the 4 pin slot on board without pushing the plastic far away from plug.   Also mine was a close fan to the board. If your fan is far away you might need to make the power cord longer for the fan.




Comparing old and new fan:


Gallery: http://s100.photobucket.com/user/notlist3d/slideshow/S4%20Fan%20Replacement?sort=3


And of course the end result:

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