Looking for someone that can fix my Cointerra units.

[lightlord]

Info:

I have 4 Cointerra 1.6 TH units. And plugging it in resulted in it exploding. The capacitor exploded.
These came from the datacenter. What am I doing wrong? I still have a non plugged one. Is it due to a power supply settings?
If so, how do I change the settings? It mined at the datacenter.

It seems to repeat as well, I tried another one and it exploded as well. With flames coming out of the unit, and the same capacitor
going from being fine to being melted. I had thought it was just one unit being faulty, and proceeded to the 2nd one, but that is gone as well.

Is there anyone in Canada? And happens to be in Vancouver, BC? If so, is there anyone able to take a look at these units? And see if you can fix them?
If so we can work out a deal or so.





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[klondike_bar]

are you running on 120V?

my guess is the datacenter used a more stable 208v or 240v, and perhaps your residential power is less reliable? thats about the only reason i can think you would have two identical failures

[lightlord]

are you running on 120V?

my guess is the datacenter used a more stable 208v or 240v, and perhaps your residential power is less reliable? thats about the only reason i can think you would have two identical failures

I tried this at two different places. The only thing I can conclude is it needs 240V. However the power supply is rated for 100-240V, with output of 12V to the board, so it should output the same to the board
with either 120V & 240V input. Also I thought cointerra units can do 120V and 240V?

[Unacceptable]

Have you talked to sidehack about getting a couple of his server powersupplies & breakout boards

He'll just need to know the wattage of your current PSU's.Whether they fit in the openings or not,you can discuss with him about the PSU's deminsions.May have to lay em outside that case.

You'll have to figure a way to connect the 2 large cables to his breakouts,they are made for much smaller diameter wires,but shouldn't be too big a deal  

Maybe get several cables (make large enough AWG to handle estimated wattage) with no PCIE ends on em,just bare ends & crimp them on one end with a similar size eye connector (to your miner boards).
You can get those eye connectors at Home Depot.

This a rehash isn't it You had another thread somewhere I thought.................

[quakefiend420]

are you running on 120V?

my guess is the datacenter used a more stable 208v or 240v, and perhaps your residential power is less reliable? thats about the only reason i can think you would have two identical failures

I tried this at two different places. The only thing I can conclude is it needs 240V. However the power supply is rated for 100-240V, with output of 12V to the board, so it should output the same to the board
with either 120V & 240V input. Also I thought cointerra units can do 120V and 240V?

100% sure they can, I've run them on both.

If you decide to get rid of them, let me know...I may want the PSUs.

[lightlord]

hmm, very odd. I am so confused  
A burned out/melted part of the board, and somehow it still works?

Anyways, a week later I tried running the burned out board above. And the unit actually hashes fine. Even though I tried it a week ago, and did nothing. So because of this, I ended up trying all of em, it ended up creating a lot of black smoke, and seeing flames shoot out of the units. Every single board had the same two transistors explode on all 4 units. But I have 3/4 units mining. Out of 8 boards. 6 Runs fairly fine.
1 is quite bad at 110 GH, and another 1 that doesn't register at all, as in the PSU direct current light is lit up. So this board seems dead, I tried swapping the PSU out of the good hashing ones, same direct yellow light,
only on this board, so for sure it must be a bad board.

So it seems those two transistors aren't important? Kinda odd, since the board is quite black.

[notlist3d]

hmm, very odd. I am so confused  
A burned out/melted part of the board, and somehow it still works?

Anyways, a week later I tried running the burned out board above. And the unit actually hashes fine. Even though I tried it a week ago, and did nothing. So because of this, I ended up trying all of em, it ended up creating a lot of black smoke, and seeing flames shoot out of the units. Every single board had the same two transistors explode on all 4 units. But I have 3/4 units mining. Out of 8 boards. 6 Runs fairly fine.
1 is quite bad at 110 GH, and another 1 that doesn't register at all, as in the PSU direct current light is lit up. So this board seems dead, I tried swapping the PSU out of the good hashing ones, same direct yellow light,
only on this board, so for sure it must be a bad board.

So it seems those two transistors aren't important? Kinda odd, since the board is quite black.

It's hard to say without knowing what they are for. Personally I would not run them with "black smoke, and seeing flames shoot out of the units".  Sounds like a good way to start the a fire to me.

[anamichii]

hmm, very odd. I am so confused  
A burned out/melted part of the board, and somehow it still works?

Anyways, a week later I tried running the burned out board above. And the unit actually hashes fine. Even though I tried it a week ago, and did nothing. So because of this, I ended up trying all of em, it ended up creating a lot of black smoke, and seeing flames shoot out of the units. Every single board had the same two transistors explode on all 4 units. But I have 3/4 units mining. Out of 8 boards. 6 Runs fairly fine.
1 is quite bad at 110 GH, and another 1 that doesn't register at all, as in the PSU direct current light is lit up. So this board seems dead, I tried swapping the PSU out of the good hashing ones, same direct yellow light,
only on this board, so for sure it must be a bad board.

So it seems those two transistors aren't important? Kinda odd, since the board is quite black.

i think it caused by current voltage, better check the output of your psu.
A transistor is important, it used to amplify and switch electronic signals and electrical power.

[aurel57]

I would try Lightfoot and see if he is up to it...

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