Overheating Mecool M8s Pro L and Pro + (and others ?) - Options ???

[clarkss12]

Worse case, my older "L" also works with my Bluetooth Voice Remote........

[P.X]

Resistor and you should be sorted


I am using a 62 Ohm with my second fan so it is working at about 2.5V at a guess. 33 Ohm 3.3V was a bit too noisy for me with this particular fan.

[P.X]

Just done some quick tests with a temp. probe stuck to the side of the L heatsink.

Ambient 23.5°C
Idle-Fan ~ Probe 31.6°C :: CPU.Temp 37°C
Idle-FanOff ~ Probe 52.5 :: CPU.Temp 58

So at a rough guess ...
A KSD9700 Switch NO Contacts 55°C Closing Temp
would allow the L box to idle with no fan and switch off after a switch-on due to higher temp SOC when normal idling was restored.

Actual testing may of course give different results, and a higher ambient temp for the box locale would indicate a higher On-Temp for no fan idling.

[clarkss12]

I should have stayed in ignorant bliss. If I had never installed the CPU Temp app, I would have never seen those HIGH temps, and my box runs great. I did have a few freezes occasionally, but not sure it was heat related or one of my apps that conflicts with the OS. Right now, I am running both my "L" boxes and will let them continuously run, playing live TV or watching my IP cameras. My modded box is running 37 C and my other one is running 80 C. It will be hard to leave my TV running 24/7 just for testing, I am cheap and watching my electric bill go up, is a killer.

[P.X]

You only need the TV on when you check on things ? The boxes use very little compared to a TV.

[clarkss12]

You only need the TV on when you check on things ? The boxes use very little compared to a TV.

I left my older "L" box playing live TV using the Emby app, all day. When I just came into the bedroom, the box was powered off and the red light was on. No idea why it was powered off. The modded "L" played without any issues, but I finally got sick oooof the noise and shut it off. I think I will retire it, untill I get the fan speed under contol.

[P.X]

I left my older "L" box playing live TV using the Emby app, all day. When I just came into the bedroom, the box was powered off and the red light was on. No idea why it was powered off. The modded "L" played without any issues, but I finally got sick oooof the noise and shut it off. I think I will retire it, untill I get the fan speed under contol.

I hate noise too !

I've ordered some of those little bi-metallic switches ...

[clarkss12]

I hate noise too !

I've ordered some of those little bi-metallic switches ...

Just received my diodes AND resistors, now I am going to test with the diodes..... Two in series.... should drop the voltage by approx. 1.4 volts DC. Crossing my fingers.

[clarkss12]

Added 3 diodes in series, with a voltage drop across the diodes of 2.38 volts. Can't tell if the fan speed dropped or not, still hear the fan, but not as bad.



Edit: More tinkering, fan virtually silent, even with my ear to fan, can't hear it. HOWEVER, the fan is "floating" now, when I secure the fan to the box, I get noise. Also, even with that much voltage drop, the fan starts on it's own. I don't have to kick start it, like I used to have to kick start my old Harley's......

Edit 2: Temp is hovering around 60 62 C. If i turn the fan over, to blow INTO the box, then the temp will drop more. For right now, I will run it like this for a couple of days.

[P.X]

Running my Pi Fan at 50% of 5V
Resistor the same value as the fan resistance.
Silent at about a foot or two.
Blowing into the box - down onto the SOC works best for me too.

[chenrp]

Here is a thread on h96 pro plus with hw cooling mods

http://freaktab.com/forum/tv-player-support/amlogic-based-tv-players/s912/alfawise/671891-h96-pro-plus-and-other-cool-hardware-mods

I opened this thread and got my h96 pro plus 65deg max with box closed and no fan!
how? I installed an Intel atom heatsink!

check massage #50

[diabolyk]

Hi,

Is it possible to connect a pi fan on my m8s pro L in order to have it working only when box is ON ?

[mirbg]

Yes, you need to solder it on the underside of the mobo, where usb connectors are localized.

[diabolyk]

and it will turn on only when box is turned on ?

cause my box is always plugged but switched off with the red light on...

have you a pic of the pin to connect ?

[clarkss12]

and it will turn on only when box is turned on ?

cause my box is always plugged but switched off with the red light on...

have you a pic of the pin to connect ?

P.X has made videos on how to cool your box.........

https://www.youtube.com/channel/UCOWFZIpIWEtPlrFSG8WhXjA