Topic: [Setup & Troubleshoot] Bitmain AntMiner S1 180GH/S miner - page 109. (Read 452366 times)

Hiya,

My antminer was hashing along fine for some days and suddenly it started beeping once a second.
I`ve tried to switch it on and off, the beeping has stopped but it isn't hashing now.

Also, I couldn't get into the configuration menu anymore.

Anyone know how to fix this?
I really hope it's not broken or anything

Sushi,

I recently ordered and promptly received "BIG THANKS" 2 Antminer S1's. After config 1 hashes as it should @ 178~180. The other hashes at 132~140. Temps are about the same across the two units. The one that hashes
correctly is 1 degree lower on the second blade.

I have 2 1000w evga g2 power supplies that I was using to power ASICminer cubes with no problem.
No matter how I power the units the same unit (#2) is always hashing 132~140 range. I'm not in the physical
area of the units so I can't do hardware troubleshooting. As soon as I get back I'll let you know so we can sort it
out. If you need my order number ect just PM me so I can get it to you.

Thanks

Great. Thanks. Both now OC to 400MHZ and running at 40 degrees. Let's hope the fans last a while!

I wish Bitmain would publish a way to SSH into the S1 (as we do for OC) and set a target temperature so I can set to say 45 but I'm guessing this might me more crudely done with the hardware.

Antminer cgminer config api access

I have searched but could not find much. I do vaguely remember reading something about it somewhere though.

Does anyone know how to access cgminer config so I can add options like api access api allow api groups if that is possible.



*edit: I think I found it.

https://bitcointalksearch.org/topic/--412322

My immediate impression is that your 12V DC power is far too low. Equipment will not handle well outside of a 11.7-12.4V range and it is almost certainly your PSU being a bit too weak for the job, or running long 18AWG cables that are losing voltage across the distance (partially as the cables getting warm).

I *imagine* that the all 3 capacitors should act the same way when tested - its possible that one might be poor quality and shorting/draining when tested with the meter.

2ND THOUGHT: I am not sure how the power is given from the 12V in to the 4 'segments', but if it is a chain across the the 3 capacitors in a rightward direction the capacitor could be broken and the multimeter is causing the connection to complete, but designed not to carry the required amperage through its probes -> hence voltage drops without a valid circuit. I am not an electrical engineer though, so a 2nd opinion would be a good idea before you take the soldering iron to it. If it is the capacitor, it would be a very easy fix if your friend has the tools for fire-point soldering and some experience with phones. (I personally have only a larger iron so I would not attempt a smaller component like that without buying a new tool or two)

By the way, which section is the one showing all x's? The second one I imagine?

I have tried, and I was stunned to see it fit. Fortunately, I checked the pinout before switching on the PSU and I realised how bad things would turn.

(there are 2x 4 pin for CPU, only one of them fits, the one with only D-shaped holes)

Are you sure the 4 pin CPU connector fits into the 6 pin PCI-E?
I haven't tried, but I think they should have made it incompatible.

I understand that you clipped off the CPU connector and wired the +12V and GND lines in the screw terminals correctly, but just mentioning using the CPU connector in an Antminer S1 thread makes me raise a warning: although one of the CPU (4 pin) connector does fit into the PCI-e 3 pin connector (mechanically speaking), it's absolutely not electrically compatible as GND and +12V are opposite in the pinout. If someone attempts to do this, the result would probably be disastrous.

Hi, the PSU has a single PSU rail with a 552W of DC voltage, which is more than enough. 8 other AntMiners are completely happy with that same PSU.
Just for the testing I connected one blade with the PCI-E cable and the other with the CPU cable, where I stripped the cables = same thing.
The problem is in the board, so please check my post above and advise if there is anything I can do?
I'd rather not RMA, but fix it myself. Of if that is not possible I would much rather get a partial refund as only 28% of the miner is not working. I can let you inside the miner Web GUI to verify.

Thank you for the tip. I measured voltages at various points and these are my findings:

Red: 11.56V so juice is definitely getting into the board.
Yellow: 1.1V is present here
Green: this capacitor is supposed to be around 12V, right? Yet it measures much lower and the voltage is dropping as I measure it.



Can you recommend if this can be fixed by me: a have a mobile phone repair guy, who is very good at soldering, so if I can replace something then I'd rather fix it myself.
Or if it is not easily replaceable then I would rather have a small refund as only 50GH/s are not working, which is 28% of the miner.

sushi, I need to leave you a tip....i have 15,000 dogecoins I would like to tip you with....since that is the new coin for tipping.

easiest way to check is to measure the voltage with a multimeter across the two legs of the inductor (grey cube above the faulting 8 chips). You should pick up a voltage of 1.1V - If this voltage is not present it means those chips have no power. I had a similar issue with my second batch antminer but it was the first 'segment' on the board that had no voltage, thus none of the 32 chips on the side worked. Bitmain was very good at shipping me a replacement PCB

1st thing in my mind.... PSU 

Please make sure you are using a PSU with 2 +12v rails and each PCI-E cable is coming from it's own rail.  (Not 2 PCI-E connectors from 1 cable)

If the above is not the case, if you feel confortable unscrewing the hashing PCB on the network port side and other hashing pcb and swap it.  Then turn on the antminer with 1 blade only.  If it still shows many XXXXX then, it's time for the RMA to get a replacement Hashing PCB

PSU is Corsair CX600M and I use it for the other 8 Ants - it works perfectly.
I rebooted many times.
I even connected that bad board to one of the other Ants + different PSU and still the same. All tests conclude that it is the board fault.

1) whats your power supply. a single 12V rail with >550W is needed for stable operation
2) reboot the miner - usually this clears any chip errors

If nothing works, because you don't know the IP anymore, you could push the reset button.
All new versions of the Antminer have that without having to do funny stuff to reset it.
Download Netscan from Softperfect instead of the IP scanner in the tutorial, this one works better and find a lot hidden IP's.

Guys how do you fix the x problem: xoxoxoxo xoxoxoxo xxoooooo oooooooo

Of the 9 Ants I got the last one is hashing at only 127GH/s because only 16 chips are working on the 2nd blade.
I disconnected the cables as told in post 1, but no luck.
I even connected that bad board to one of the other Ants + different PSU and still the same. All tests conclude that it is the board fault.
Any ideas how to fix it?

You can connect directly to it, but your laptop would have to have a static IP, *AND* it would have to be on the same subnet, with the same gateway settings (though this latter might not be absolutely necessary).  So, if your Ant S1 is at 192.168.1.99, then you need to be sure you laptop is somehwere else on 192.168.1.x, where x is not equal to 1, 99, 254, or 255).  Then you should be able to go straight to it in your browser.

The reason many folks can just plug and go is that for them, they've already got a static IP and are on the right subnet (192.168.1.x) and gateway.  It's a fairly standard setup that puts you on 192.168.1.x and with a gateway of 192.168.1.1, so you might just have to set a static IP.

I have powered up my miner and connected the ethernet-cable to my laptop. But I cant access the Antminer via its IP.

Whats wrong?

Edit; I followed this guide at first, changing the network settings and w/e. But now I se other guides that just connect miner and pc and then just type in the IP in the browser to access the miner.

Now nothing works..