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Thanks for the answer. I tested it without mounting the fan to the smoker. So I didn't create any additional bottleneck.. Is it possible to push more air through a small pipe (20mm) by increasing the fan size? Thats the reason why I bought a bigger fan with more power.

Hello Community, I upgraded the fan from a 6.7 CFM 12 V 0.12 A ........to............ a 15 CFM 12 V 0.36 A. My problem is that the 0.36 A Fan only draws 0.11 A on 100% speed. Could someone explain me why its not near 0.36 A? Thanks in advance Edit: The power supply supports up to 4A

The RJ45 Jack was broken and my testing was faulty. next Problem here: https://tvwbb.com/threads/servo-permanent-spinning.92930/ /Close

Hi Community, i have the next problem, after fixing my first with the fan. My servo is permanent spinning and sometimes it will stay still when i manual set a specific percentage. At 45-50% it stops, if its under this value it spins in one direction and above in the other direction. I've...

Hello community, i bought a bigger 15CFM, 12V 0,36A. Based on this build https://www.thingiverse.com/thing:1272011 i also upgraded the PSU to 12V 4A, but when my fan is connected it doesnt move. I m able to measure 12V, but the fan doesnt spin. Do i need to change anything else? The fan is...

yeah i will do this. I already resoldered all soldering points which didnt look good, but i will also do it on the other ones now.

**** yeah, just from pushing the resistor the button "jumped" again, so this seems to be the problem. I will resolder it in the next days at work. My first soldering iron wasnt hot enough, i think that led to a lot of my problems. Big thanks to both of you : )

unfortunately it also happens without the button board, i tested it few minutes ago. And no flux between the soldering points.

I had time to do some further testing. Soldering seems fine, but it doenst only happen on the left button. Most of the time the HM work as intended but sometimes it start to jump through the menu (random all button get "pressed). Any ideas?

Hi community, i have sometimes the strange issue that my fan speed switch to [off] (not 0%). What does this mean? The HM also do this when the set temperatures is far higher than the pit temp... so he went to off when he should show 100%. Any ideas? Regards Patrick

Great, thank you very much, the GND of the BS170 was the problem.... after that i improved about 20 soldering points... it is a long time ago that i had to solder something and some points were terrible. One short question: Does the heatemeter control the air output only with fan...

Hey, i have a multimeter now and i had time to do some measurments. I think the problem is located between the mosfet and the BS170 (Q1) I marked all values in the picture. I measured the values when the HM was set to 100%. I tried it also with 0%, i had still 12.15 Volt at the BS170 top...

Hi community, after some issues i was able to finish my heatermeter. At the beginning it thought everything works as intended, the HM display went on, i was able to configure everything but after some testing i have the following problem. The fan doesnt spin when i connect it to ground + blow...