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Bitcoin Forum > Bitcoin > Mining > Mining support > Antminer s9 13.5th/s low hash need some help for this noob
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Author Topic: Antminer s9 13.5th/s low hash need some help for this noob  (Read 776 times)
Chancestaken (OP)
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March 11, 2017, 08:54:02 AM
 #1
Brand new out of the box hooked up was running 13.3- 14.2 ths. Two days later running just over 9.... how do I fix it?



Steps taken:
New firmware from bitmain downloaded and installed.
Reboot
Power down let sit for hour and power up
Changed pools
Tried different power supplies
Reset all internet services
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March 11, 2017, 10:39:27 AM
 #2
Can you see one hash board with zero hash rate in the miner status page? It is possible that you have a faulty board and need a warranty repair. If your S9 is bought after October 1, 2016 you need to ship the whole unit to Bitmain for repair. Miners after October 1, 2016 have a 180day warranty.
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