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Topic: Solution for ANTMINER S9 FANS SPEED Up & Down every 20 Seconds. - page 3. (Read 4460 times)

full member
Activity: 266
Merit: 109
Ultra Mega Giga Super Cool Flying Oposum!
This works perfectly! I havent tempered with frequenzy i only changed the percentage of which my S9 works, i put it at 100%(since im using some kind of box with sound isolation and temperature got quite high around 87C). and at the moment(2h of working there were no problems.
member
Activity: 277
Merit: 70
I'm not sure... I didn't enable that option, since I figured autotune would over-ride it.  Anybody else try it?
jr. member
Activity: 56
Merit: 1
When you use this option, don't you also have to choose a frequency?  What happens if you use this to set a frequency on an auto-tune S9?
member
Activity: 277
Merit: 70
update:
It works great on my S9 13.5T Auto-tune miner.  The interface does indeed set both fans (front and back) based on percentage.  I've played around with the speed from 60% to 90% to optimize power draw vs hashrate.  75% is my butter zone!

Thanks for this!
member
Activity: 277
Merit: 70
GOT IT!

worked in chrome for me, not sure why firefox wasn't working.  now to test the fan setting!
member
Activity: 277
Merit: 70
nope, that wiped out my pool displys
newbie
Activity: 12
Merit: 4
yes, when I delete the word :none and leave it just as you described there is no fan option displayed on the tab still.

Please also delete the following line, then the options will appear in the panel.

https://eximmagazine.files.wordpress.com/2018/01/nueva-imagen.jpg

Let me know if it worked.

Regards.

member
Activity: 70
Merit: 34
Easier way

Add these line to /config/bmminer.conf using winscp set connection file protocol SCP

"bitmain-fan-ctrl" : true,
"bitmain-fan-pwm" : "90",

Then restart bmminer logging SSH using putty

/etc/init.d/bmminer.sh restart

When finished fans will run at 90% or whatever % bitmain-fan-pwm is set to.


Thanks so much. This may solve my problem by setting to 0%. Hopefully, the missing fans will not cause an alarm if set to zero.

i'm not familiar with winscp and it's been decades since I used putty. I'll try to muddle through.
member
Activity: 277
Merit: 70
Using what?  Are there more detailed instructions somehwere?
hero member
Activity: 630
Merit: 506
Easier way

Add these line to /config/bmminer.conf using winscp set connection file protocol SCP

"bitmain-fan-ctrl" : true,
"bitmain-fan-pwm" : "90",

Then restart bmminer logging SSH using putty

/etc/init.d/bmminer.sh restart

When finished fans will run at 90% or whatever % bitmain-fan-pwm is set to.
member
Activity: 70
Merit: 34
I'm developing a liquid cooled S9. I need a way to unplug the fans as they are not needed and I don't want to power them. Any suggestions welcome.
member
Activity: 277
Merit: 70
yes, when I delete the word :none and leave it just as you described there is no fan option displayed on the tab still.
newbie
Activity: 12
Merit: 4
How do you save the changes?  I cant get the fan % to show up

Hello have you followed the proceedures on the images i published ? you have first to modify the html code in the miner configuration window when the % appears yoy put the number and then click save in order to save the changes.

Regards,

GRivero1983
member
Activity: 277
Merit: 70
How do you save the changes?  I cant get the fan % to show up
hero member
Activity: 756
Merit: 560
I played with these hidden settings also.  The did seem to affect the intake fan but not the primary (and louder) outtake one.  Bitmain seems to have written the autotune firmware to ignore the fan % setting on one fan (and most of the other hidden options).  That is probably why they hid the options! 

The intake fan is the one that spins faster, the exhaust side is the slower one.
member
Activity: 85
Merit: 16
I played with these hidden settings also.  The did seem to affect the intake fan but not the primary (and louder) outtake one.  Bitmain seems to have written the autotune firmware to ignore the fan % setting on one fan (and most of the other hidden options).  That is probably why they hid the options! 
newbie
Activity: 12
Merit: 4
It wont disable the autotune mode. Just enable in the hidden funtions of the fan control and leave the freq just as it is.

Regards.

Grivero1983
member
Activity: 140
Merit: 17
Interesting, will this disable autotune? I like the idea of fixing the fan so it stops cycling, but I want to leave autotune on.
newbie
Activity: 12
Merit: 4
As a precaution, always do this porcedures at your own risk.

Hey guys, just find a solution for this issue that was driving me insane like a lot of people with the same problem.
I have two Antminer S9, one is 13.0 TH and one is 13.5 TH, both are Autofreq, the issue at hand is that the miner goes up 100% maximum RPM on both fans every 10-20 seconds, and that its really anoying specially with those with miners at home. I just figured out a solution taking a tread with the Antminers S7 that gave me the same solution when i needed to shut down the beep when the internet was down!, for those who had S7's you could notice that this beep was anoying from hell!. But some guy found the solution to shut down the beep by modifying the HTML code in the browser, No linux, no programming, just FN+F12 and follow some steps and the secret menu options will display. Just like the old miners S5, S7 that had this options.

Let's start!

First open your browser in this example i will use Firefox.

https://eximmagazine.files.wordpress.com/2018/01/1.jpg
https://eximmagazine.files.wordpress.com/2018/01/2.jpg
https://eximmagazine.files.wordpress.com/2018/01/3.jpg
https://eximmagazine.files.wordpress.com/2018/01/4.jpg
https://eximmagazine.files.wordpress.com/2018/01/5.jpg
https://eximmagazine.files.wordpress.com/2018/01/6.jpg
https://eximmagazine.files.wordpress.com/2018/01/7.jpg


If you need further help, please let me know.

If you find my post interesting and solved your issue consider donating, the amount its not important just to know you are gratefull it's fine for me.
BTC: 1FV1t9cKq3pybtGojprV6K1P8oshA5yDpe

Regards.

Grivero1983
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