Topic: Goodbye Bitmain, Hello MicroBT. (Read 451 times)
Wow thats cool to see it cause I sent you DM asking for log check replaced the fans and still having the exact same issue with my bitmain miner!
And what about canaan avalon miner like 1246?
Hey I would be interested in locating one, or some PSU.
https://t.me/minerexpertsales, they will be your best option in terms of availability, I could name a few more Chinese resellers, but miner expert is the best for small orders, the rest expect to deal with other resellers, try to contact Grace, if another employee answers you, tell them you want to talk to Grace, he will probably help you locate them even if she doesn't have them in stock.
With that being said, deal with them at your own risk, I have personally dealt with grace so many times starting from maybe 2017 IIRC.
Yet I have had many m20's die from their crap psu. So yes, they run well, but power supplies are also junk. They are bricks now because you can't get the p11 psu's anymore.
Could there be an issue with your electricity setup? The psu on this gear had more dust than one can imagine, the voltage was far from stable but usually within 190-220v, what is your ac voltage?
By the way, if you are interested in buying them from China i can help you locate some.
Hey I would be interested in locating one, or some PSU. I have an M20S, and also a whatsminer D1 which has a P11 on it. The M20S is running full power non-stop, but the D1 is not. Yes I understand the D1 is an altcoin miner but I mine DCR with it paying every day in BTC. The P11 on my D1 is toast, would love to find one. Thanks
Will a can of compressed air do the cleaning trick without having to turn the miner off?
That'll help with keeping the miner from running that hot by clearing the fan airways.
That'll help with keeping the miner from running that hot by clearing the fan airways.
I'd say no chance in hell, you need to shut-down the miner before cleaning, when you want to clean the miner, you want to blow from the opposite direction (out > in) since most things that got stuck would have exited if there was enough room/pressure, also you don't want to force spin the fans - you can easily break them, you want to make sure you hold them while blowing so they don't spin.
With that being said, this will only work for the regular dry dust and assuming you give them a good dusting every now and then, but once you leave them be for a long time then things will be sticky, you will need to take the hash boards out and either use a very strong air compressor (of course, not using a can) or using a brush, in fact, depending on the climate, some wet places gets the wet-dust like mud to stick on those heatsinks, it will be very difficult to get it off using just air and a brush is a must.
Will you sell it for scrap now?
Will a can of compressed air do the cleaning trick without having to turn the miner off?
That'll help with keeping the miner from running that hot by clearing the fan airways.
That'll help with keeping the miner from running that hot by clearing the fan airways.
@fccs
Philipma1957 has said positive feedback about HMTech.
https://www.hmtech.co/services/
Have you asked them for the M20 psu repair or psu replace?
Philipma1957 has said positive feedback about HMTech.
https://www.hmtech.co/services/
Have you asked them for the M20 psu repair or psu replace?
i think the p21 psu will work on the m20s
Yet I have had many m20's die from their crap psu. So yes, they run well, but power supplies are also junk. They are bricks now because you can't get the p11 psu's anymore.
Could there be an issue with your electricity setup? The psu on this gear had more dust than one can imagine, the voltage was far from stable but usually within 190-220v, what is your ac voltage?
By the way, if you are interested in buying them from China i can help you locate some.
@fccs
Philipma1957 has said positive feedback about HMTech.
https://www.hmtech.co/services/
Have you asked them for the M20 psu repair or psu replace?
Philipma1957 has said positive feedback about HMTech.
https://www.hmtech.co/services/
Have you asked them for the M20 psu repair or psu replace?
Yet I have had many m20's die from their crap psu. So yes, they run well, but power supplies are also junk. They are bricks now because you can't get the p11 psu's anymore.
The above gear is Whatsminer M21s 54TH, it has been mining since Oct 2019 nonstop, never been cleaned or looked after, it was put under extreme conditions of outside temperature as high as 45c, recently and for the past 30-40 days the rear fan died and the miner did NOT stop hashing, yes, it did not (not sure why MicroBT firmware does not care about 1 out of 2 fans going down).
The backside of the miner was almost boiling, it was too hot to touch, we literally had to let it sit there for a few mins before we could hold it, no Bitmain gear would endure that much except for the old and gold S9s.
As you can see in the image some of the heatsinks were literally blocked, but with zero problems, even by the look of it and without having to be an expert you can see that these gears are more robust than Bitmain's by a huge shot.
Surfing the Chinese market, you get to find a ton of used Bitmain gears but it's very hard to get your hands on Whatsminer, looks like the Chinese have figured this much already long, long time ago.
Comparing the M21s to the 17 series of Bitmain, the winner is obvious, I am pretty sure if an S17 was as dusty and ran with only 50% of its fans, it would have died in no time.
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