Fan speed goes up to 100% and down again repetitious.

AntMiner • Beginners • åsmund • Posted 2017-03-20 13:05:27 • Read 31 times

Hello there.

I just bought me two new Antminers s9- 13Th/s and 13.5 Th/s. (3 machines in total)
The info on all the miners status seems normal, kernel version and hardware version is up to date,
temperatures looks quite normal (80-85 degrees), Connected to a working pool (2 machines to slushes pool + 1 machine to Antpool).

And here is the problem: When i connected my new machines they run fine a day or two, then one of the 2 new machines (either one of them) start to increase the fan speed to 100% immediately, after a few seconds it goes down to normal state, then 20 seconds later it goes up again.

This repeats itself until i reboot the machine. It looks normally on miner status (except fan speed of course which is 100% at the time)

Sometimes it takes longer between those speed regulation the fan does for some wierd reason.

this did not happen when I only had one machine.

 

1: I have tried to set the antminers to static ip which give them a fixed IP address. (Altso on my modem) can it be something with the network that makes them like this??

2: The green led ligth on the rigth side of the network cable occasionally blinking constantly on 2 of 3 machines, while on my first antminer it blinks like many times, then dark 1-2 seconds, then many blink again like it normally should do. Yellow ligth on the left side on the internett cable holds a constant ligth on all 3 machines. Is all this normal??

3: I have not yet tried to reset antminer to factory settings.

 

I apologize in advance if this was a little difficult to understand but hope someone that is better then me out there can help me wih this and who have experienced the same problem as me.

 


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