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hotend fan no move!!!

Posted: Tue Jun 25, 2019 11:05 pm
by jctk
My hotend fan dont work anymore, i change the fan without any resolt, a try change the extruder Extension Board too, but dont work!! What i can do now?

Re: hotend fan no move!!!

Posted: Wed Jun 26, 2019 9:33 am
by William
Hi,jctk, if you have a multimeter, you can try to measure this voltage, power is 0-5V, 0v when not powered.
v3 PWM电压.jpg
v3 PWM电压.jpg (673.58 KiB) Viewed 19833 times