My miner is not performing as expected

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Possible problems (click here)

May refer to these parts:

BB board defective, IO board defective, control board defective, fan defective, cooling fin abnormal, thalposis abnormal


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  • 0
    pedro reyes

    Hi, i just receive my antminer S9 11SN:CHDZ14GAFJGAC0063, and it runs fan failure, it spin like 5850 rpm fan 3 and the other one like 4800 rpm for a periods like 3 to 5 seconds and it falls down to 2240 rpm and 2000 rpm for another 5 to 8 seconds and go up again, up and down rpms constantly, it never set up at médium rpm like the other machines, help me about it, thanks

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