Bitaxe Gamma 601: Stuck at the same hash rate? \ stacker news ~bitcoin

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Bitaxe Gamma 601: Stuck at the same hash rate?

434 sats \ 11 comments \ @metadavid 5 May bitcoin_Mining

One of my Bitaxe Gammas tends to lock up after about 24 hours. By lockup, what I mean:

Stuck at the same hash rate: ~1.20 ts/h _ Logs: Unlike the other Bitaxes which continuously produce an asic result, this one gives a large block of characters followed by "dequed"

Things I've done to this Bitaxe

Zip tied a second Noctua 40mm back fan, and connected it via y-cable to the header via PCB (I don't think the wattage draw should be an issue, but maybe it's messing with something else?)
Replaced heatsink with Ice Tower & replaced thermal paste, of course.
Slightly overclocked-- running 625 @ 1150
Both ASIC temperature and voltage regulator are generally below 50 C.

What do you think can be the problem? Is it that second fan? I was running the stock fan as a second back fan without issues, but now I'm starting to think it is the back fan, not sure though.

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50 sats \ 1 reply \ @WeAreAllSatoshi 5 May

What does the temperature readout show?

100 sats \ 0 replies \ @metadavid OP 5 May

Both ASIC and VRM are generally under 50 C.

50 sats \ 1 reply \ @WeAreAllSatoshi 5 May

Try replacing the thermal paste on the asic. I just had a similar issue on an Ultra

100 sats \ 0 replies \ @metadavid OP 5 May

Thanks for the suggestion. I'll need to go back and edit the original post to mention I did replace the heatsink with an Ice Tower and also new thermal paste to boot.

Thanks again for chiming in. :)

40 sats \ 1 reply \ @WeAreAllSatoshi 5 May

Did you try swapping power supplies to see if it follows the PSU?

100 sats \ 0 replies \ @metadavid OP 5 May

Good call! I haven’t tried that!

40 sats \ 2 replies \ @WeAreAllSatoshi 5 May

What about updating to latest firmware?

100 sats \ 1 reply \ @metadavid OP 5 May

I updated to 2.7… still the same issue :(

0 sats \ 0 replies \ @metadavid OP 5 May

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50 sats \ 1 reply \ @OT 20h

Who are you mining with? Maybe also check the hash rate on the website.

0 sats \ 0 replies \ @metadavid OP 19h

Thanks for the tip. When I first experienced this issue, I switched from OCEAN to solo and still experienced the same issue.

I'm starting to think that it's the back fan...not so much the power draw, but maybe because I zip-tied causing a vibration issue....