Questions tagged [fans]

For questions related to the usage of fans on 3D Printers for the cooling of electronics *not* the print

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Ender 3 v2 hot end fans (nozzle and part cooling fan) not working

Last night I finished printing all the parts for my HeroMe Gen 5 hot end. I decided to just chop off the existing fans and then solder on a JST XH connector to make it easy to change the fans over in ...
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Fan making high pitched noise at full power

I bought a Sunon 5020 12 V blower/radial fan for my CR-10S and it makes a really nasty high pitched noise at full power. I read that PWM can cause this but not at full power, I have tried all marlin (...