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Re: Cointerra Hardware Support **Unofficial
by
scriber
on 29/07/2014, 18:33:06 UTC
I decided to send another request to support through the cointerra website asking specifically what the D45 RED LED means and how can I fix it. This is the reply I got. What a fucking bitch and Fuck CoinTerra  Angry

Hi ,

We are not currently releasing that information.

Best regards,

Laura
CoinTerra Support Team
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Re: Cointerra Hardware Support **Unofficial
by
scriber
on 28/07/2014, 22:35:03 UTC

Bad pumps show as 0 RPM in the admin panel, iirc the boards will start with a pump failure.

Hello Patrick, how nice to see you around on Bitcointalk again. How's the dog?

My seven year old daughter, Anna, is wondering when you are going to return our 51 bitcoins trapped in Intersango, which you promised to return to us last October, so that her dog, Buddy, can get his long overdue heart operation.



Damn 51 coins is a good chunk of money, hopefully you get those back but highly unlikely. Every coin I see go missing never gets returned. That goes for USD too-
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Re: Cointerra Hardware Support **Unofficial
by
scriber
on 12/07/2014, 04:51:18 UTC
Ive noticed all my machines are hashing lower then spec for the past week or two. They are 1.5Gh/s 1.5Gh/s and 750Gh/s (one miner died). Not sure why the constant drop for so long. Temps, fans, pumps all appear normal

UPDATE: Lost power for a couple hours and when it returned the machines appear to be hashing and normal speeds, I guess a reboot helped them
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Re: TMIV LiquidPro - does it need to cure?
by
scriber
on 12/07/2014, 02:49:03 UTC
Sad that CT took down their forums.  I had been reasonably active there like many others.

Anyhow, I've been nursing my two TMIV's along since April.  One continues to crank out a reasonably stable 1.6 th with decent core temps.  The other is hobbled down to 1.2 th as one core gets far too hot.  I've applied Noctua NT-H1 twice.  Worked well for a while, but then temps went back up.  Decided to give Liquid Pro a try.

Now I've got my LPro ready to go.  I'm hoping I'll see gains similar to what others have claimed here as well as a solution that keeps working (hopefully).

My question is, do I need to let the LPro cure before firing my machine back up at all?  Or should I just run it at "low" (PL 1-3) power while the stuff cures for 40hrs or so.  Or even better, can I just go right up to full throttle (PL 9)?

I know the material cures, I'm just not clear on what care needs to be taken during that process.  

The documentation provided by Cool Laboratory is both a bit short and sometimes torqued by the German translation.  They make no mention of curing, or oddly even needing to use the included "rough" pad which I'm guessing some may use to rough up the surface?  

I think I may skip that step on my Goldstrike chips though.  Maybe more something for CPU/GPUs where there is a larger smooth surface to deal with.

I did not use the scotch pad. I went full throttle after applying with no problems. I did use the provided q-tip for spreading. Put it all back together and fired up! Just be careful with the LP and take your time, DO NOT get that stuff anywhere other than on the chip surface. Good luck and report back!
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Re: Cointerra Hardware Support **Unofficial
by
scriber
on 08/07/2014, 17:20:41 UTC
Thanks guys for all these suggestions.  I have ordered my Liquid Pro around 10 days ago, and now waiting for it to arrive.  To get my self prepared, may I ask how I should commence with my repair?:

Problems suffered:
1) 2 miners got their whole board not running.  Even the fan on the failed side did not run !!!, The 2 little lights at the back of the PSU got 1 turned "yellow".

2) 3 miners got 1 out of 4 cores not working.

3) some miners got extremely hot, and occasionally stop 1 core, but will return when rest for a while.


Potential solution that I've read from this forum:
1) remove the copper plate, take out the "white" rubber inside, then re-fix the copper plate on the water block.  (really? can someone confirm this works?);

2) remove the thermal paste and apply Liquid Pro.  (this has been proven here I suppose.  Can someone teach me how to apply? 1 little droplet in the middle of each chip, or spread them over the whole chip?  Need to apply on the copper side?)

3) remove the "black & white" chaser cable.  I have tried, no use.

4) switch the power supply large cables between the two boards.  i.e. the supply originally to left board now connect to right board, vice versa. (will try this out maybe)


Can someone confirm the above "potential solution summary", and summarize some key points that I should be aware of before I commence with my Liquid Pro application?

Thanks a million brothers.

Go back earlier in this thread and you will see step by step pics I posted of applying liquid pro. Use the q-tip they provide to spread it around and make sure to cover all areas to the edges just like the pics. Its tricky working with liquid pro but take your time and use a steady hand. I dont know why your power supply has a yellow light
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Re: Cointerra Hardware Support **Unofficial
by
scriber
on 03/07/2014, 01:55:07 UTC
Here is a pic I circled J11. If you dont have that maybe your version of the boards is different. These boards are printed with model numbers and revisions
I have GSA CARD ASSY: COIN-500-013 REV.B. I had a leak also, it was a small crack in the hose for me. You should be able to locate that leak and fix it just how I did


 Scriber.. when was this unit shipped as I have 2 of them, first of April, and I have no J11 wires...

 I am curious what this power is going to, and why it is needed on your boards. Following the leads on the board I have pulled now..

I purchased one unit from an ebay user and two from cointerra
ebay purchased in April which was the one leaking and pictured earlier in the post, and Cointerra purchased in June
I dont want to rollback the firmware for a few reasons. I will have to take the miner offline which is lost revenue and I also dont want to risk the other miner going offline. It seems rolling it back does not fix anything either
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Re: Cointerra Hardware Support **Unofficial
by
scriber
on 25/06/2014, 22:38:52 UTC
glad your making progress and fixing your problem. Now we just need to figure out our issue with the red LED light
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Re: Cointerra Hardware Support **Unofficial
by
scriber
on 25/06/2014, 17:42:27 UTC
Here is a pic I circled J11. If you dont have that maybe your version of the boards is different. These boards are printed with model numbers and revisions
I have GSA CARD ASSY: COIN-500-013 REV.B. I had a leak also, it was a small crack in the hose for me. You should be able to locate that leak and fix it just how I did
http://i.imgur.com/zHI53vg.jpg
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Re: Cointerra Hardware Support **Unofficial
by
scriber
on 25/06/2014, 00:53:12 UTC
J11 is on both boards. It is the 3pin black and white wire that plugs in directly behind the intake fans. This J11 wire runs into a small board next to the power supplies; a board located in the side compartment with the power supplies. One of my J11 plugs had the black rubber crap over it to hold the plug in so yours might be covered but its there. Here is the PDF they sent me. I have not tried pressing the reset button and I dont hear any clicking. I have been keeping this board powered off since its not working. Not need to have power running to it. I do have two other units running also below this one. I noticed there is a reset button on the outside front center top of the case and each internal board also has a button but I dont know what this one does. As far as one board having a jumper and one not I think this is just to signify and master and slave board
http://i.imgur.com/5rb2Jen.png
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Re: Cointerra Hardware Support **Unofficial
by
scriber
on 24/06/2014, 20:46:29 UTC
Hey guys thanks for starting this thread, seeing as Cointerra shutdown the forums this is the only place i can find help. I've been running an April batch for two months now and today one board did not come online. I opened it up to see why only one board was going online and noticed that LED D45 was red. Does anyone know what this means? and is there is a way to fix it?

Is D44 (yellow) also lit next to D45(red)? Did you ever fix your problem? see my latest comment what Cointerra told me, it might fix your problem!
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Re: Cointerra Hardware Support **Unofficial
by
scriber
on 24/06/2014, 20:32:22 UTC
I got a reply from Cointerra and they have been emailing me trying to help. They first replied with I could not send the board or unit in for repair because I opened the unit and voided the warranty. They attached a pdf for trying to fix my problem with instructions that said to shutdown the unit, remove the cable from J11 on the offline board and then power the unit up. If the LEDs start the unit is all good. Leave the cable off and im done. I did this and the LEDs lit up then they immediately turned off in sequence and only D44 and D45(red) LED's stay lit. Cointerra asked me if the ground cable was connected. Yes it is. Cointerra says he has note seen many units with this d44,d45 led issue and is trying to figure out what is causing it. I have not heard anything else.

UPDATE: Just tried this process a few more times again and noticed only D45(red) stays lit solid
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Re: Cointerra Hardware Support **Unofficial
by
scriber
on 24/06/2014, 03:04:43 UTC
I am having the same issue as you guys. One cta goes to 120c right away and shuts down.  it was working for for the past 3 months.   the other CTA runs amazing over 800gh all the time
the "bad" one always ran hotter. i replaced the paste about 4 times now and like 4 cores go to the sky and it stops. at its different ones just seems like something is shorting out or i dont know what the hell is happing.  any input would be great.  i used ic diamond themal paste on all chips the "good booard temp are way down and it hashes amazing the "bad board is still HOT!

edit did some tinkering. found that letting the board cool down and then just start the one sounds like a fan in one of the pumps is ticking...   also found that the "out" side of both cores on the "bad board" are really hot and the "in"side is cold. On the "good" board both side are equally Warm cound it be a pump issue? both pumps show speed but not as fast as the other board.  if the fins inside the pump broke off the the pump would stiill spin just be clogged/not going anyhting?Huh  im really tring to figure this out.    already had one of the power blocks that the soldered on the board break off that's why i opened it up in the first place. fixed that and now this heat/power/idk/short issue

Does sound like a pump issue from what you described. Perhaps the impeller is damaged especially if its rpm is not up to speed like your good board. Contact the company who makes the coolers, they are located in canada I believe. Tell them how terrible Cointerra support is and you noticed they are using their product which might have failed on you. Btw I would not use thermal paste on these units, probably a good reason not to is that it continues to overheat and youve done the job 4 times. Use liquid pro its tried and proven here by numerous people including myself
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Board Hardware
Re: Cointerra Hardware Support **Unofficial
by
scriber
on 23/06/2014, 22:46:40 UTC
Temps so far after two weeks+ with Liquid Pro applied.


looks great what are you hashing?
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Board Hardware
Re: Cointerra Hardware Support **Unofficial
by
scriber
on 23/06/2014, 22:07:26 UTC
eek, ive put MX4 on a few rigs here, id better check them soon after reading that, but the coollabratory stuff should be here tomorrow anyway (along with some hopefully less problematic KnC neptunes) but since its started getting warmer these things are dropping like flies, often i can get them back to life but not for long before they start having other issues

Please explain more about your units dropping like flies? Are they overheating to 120c and restarting? How are you able to get them back to life and what other issues do they have? Please update us how it goes after applying liquid pro very curious
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Board Hardware
Re: Cointerra Hardware Support **Unofficial
by
scriber
on 21/06/2014, 02:31:01 UTC
I just used the air compressor which did not solve the problem. I poured a little bit of 99.9% on the board and blew it off with the air compressor that did not solve the problem. The board is now in a tray soaking in the 99.9% for 10 minutes. I will let you know how this goes shortly. If that doesnt work I am going to ship the board back to Cointerra and plead my case. At this point a dead board serves no purpose

Yeesh, good luck. Use Q-Tips to get any other parts that the air compressor may not have.

Board is still not working. It has voltage but no led's light on the board and no miner. Im now done with this and have no other options other then to ship it to Cointerra and hope for the best
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Re: Cointerra Hardware Support **Unofficial
by
scriber
on 21/06/2014, 01:37:14 UTC
I just used the air compressor which did not solve the problem. I poured a little bit of 99.9% on the board and blew it off with the air compressor that did not solve the problem. The board is now in a tray soaking in the 99.9% for 10 minutes. I will let you know how this goes shortly. If that doesnt work I am going to ship the board back to Cointerra and plead my case. At this point a dead board serves no purpose
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Board Hardware
Re: Cointerra Hardware Support **Unofficial
by
scriber
on 19/06/2014, 05:28:22 UTC
Ive given up on tech support, they send the same canned response to everyone and never get back to them. The machines where all mining when they arrived so I know they worked. And the board is getting voltage so its not totally fucked. Im leaning towards the idea I may have got liquid pro somewhere but I really dont think I fried or shorted out anything. If I got one board working I surely can get this one. If there thermal grease got on the board before from my mistake and caused it to stop functioning then I cleaned it and got it working I should be able to do the same with this non-functioning board. I noticed Frys has 99.9% Isopropyl so if the air compressor doesnt work ill go get some of that. To bad I didnt live in Texas and I could walk into Cointerra with my board and plead my case in person. Unless the place is a fortress impossible to enter like a prison.
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Re: Cointerra Hardware Support **Unofficial
by
scriber
on 19/06/2014, 03:39:44 UTC

No I did not get a better hash rate. The terraminers are designed to run at 1.6Ths regardless of temp until a core hits 120c then it reboots. I also noticed my miners would have one or two cores that where significantly hotter then the rest. I opened my last 3rd machine to cool it and noticed that many of the screws that hold down the cooling block where not even screwed in or they where barley screwed in leaving the cooling block lifted up and not having good contact to the core. Another fail by cointerra. Only apply the LiquidPro to the cores, not the cooling block. Just like the photos I posted.

FYI, my third machine when put back and turned on failed to boot up CTA1. Ive cleaned the board twice but still no mining. It has power but does not boot up and coming online so currently only CTA0 is mining. I will most likely pull this board again and give it a full bath in a last desperate attempt. I was so critical in doing this last cooling job just because of my previous experiences and still I fucked up with no idea how.

If you decide to open clean and cool with LiquidPro its a huge risk but if you can pull it off its well worth it

Hey Scriber how would you go about giving a "full bath" to the board? do you wash it with alcohol or something else? I'm asking because i'm in the same boat as you, I reapplied the thermal compound and now one board does not want to work. CTA0 is working but CTA1 powers up but does not do anything. I've looked at the board all over and don't see anything wrong with the board so i'm willing to trying just about anything to get it working again.

 Do you exhibit the same error codes on the led's as I do? I am asking so we can solve this. I don't believe half the unit is fried, I am starting to suspect a bad pump.

 Swapped power supplies and unit still worked so that is not the issue. Next problem though, there is a push button near the jumper pins in the back of the board. If you press it, the leds, and sounds will make different noises and error messages. Has anyone played with these? and what does it actually do? What is it changing on the bios of the strike boards?

 Folks I am trying to help solve issues, but for the past 4 hours I am merely talking to myself aloud. Lets go to work and solve this shittery piece of machinery. Smiley

Thanks for the suggestion to use the 99.99% I will try to get my hands on some of this. Before that I will try the air compressor idea also. Regarding your problem I have never experienced the LED issue. My dead board never lights up at all thats how I can tell its not functioning. I wish I could be of more help to you.
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Re: Cointerra Hardware Support **Unofficial
by
scriber
on 18/06/2014, 04:16:19 UTC

No I did not get a better hash rate. The terraminers are designed to run at 1.6Ths regardless of temp until a core hits 120c then it reboots. I also noticed my miners would have one or two cores that where significantly hotter then the rest. I opened my last 3rd machine to cool it and noticed that many of the screws that hold down the cooling block where not even screwed in or they where barley screwed in leaving the cooling block lifted up and not having good contact to the core. Another fail by cointerra. Only apply the LiquidPro to the cores, not the cooling block. Just like the photos I posted.

FYI, my third machine when put back and turned on failed to boot up CTA1. Ive cleaned the board twice but still no mining. It has power but does not boot up and coming online so currently only CTA0 is mining. I will most likely pull this board again and give it a full bath in a last desperate attempt. I was so critical in doing this last cooling job just because of my previous experiences and still I fucked up with no idea how.

If you decide to open clean and cool with LiquidPro its a huge risk but if you can pull it off its well worth it

Hey Scriber how would you go about giving a "full bath" to the board? do you wash it with alcohol or something else? I'm asking because i'm in the same boat as you, I reapplied the thermal compound and now one board does not want to work. CTA0 is working but CTA1 powers up but does not do anything. I've looked at the board all over and don't see anything wrong with the board so i'm willing to trying just about anything to get it working again.

I have a friend who knows electronics and from what he says yes 99% Isopropyl soaking maybe 10 or 20 min. I even suggested light brushing components with a soft tooth brush. Hes going to help me in a couple days and I will let you know how it turns out. Bummer to hear you have the same problem. I feel like something is up with these units once you open them. I wanted to buy 3 more which I know I will have to cool all of them with liquid pro but after these experiences I dont know what to do. If you bath it in 99% let me know how it works
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Re: Cointerra Hardware Support **Unofficial
by
scriber
on 17/06/2014, 23:06:29 UTC
I am running at step 9, but only getting 1.5 TH with one core running 20 deg hotter than the others.
Not sure if ist worth a try or wasting time

After some hours or days of the miner running you should be at 1.6th. Its normal to have peaks and drops though. One of my cores that was overheating at 120c would still be hashing fully. I would suggest not opening your machine unless it is overheating. If you notice overtime the temps getting hotter and hotter and hotter then most likely its on its way to overheating. Let the miner run as long as possible until it nears or hits 120c and you have no other option but to open it.