Geeetech

Hi. Could you please answer the question in my comments?

Regards

Martin-UK

Thanks for the reply. I have a 5V PWM fan connected to the PWM socket on the main board. Plus I have the code "M106 S255" in the Marlin code. But the fan does not switch on. I noticed that the 3 pin PWM socket has a + - connected but the yellow tacho wire goes no where. That is the same for all the ...

Hi. Did anyone get anywhere with this? I am also trying to control the extruder head fan from the PWM socket. There is code in the Marlin for turning a the fan on and off but there is no reference to which fan it might be. I assume the PWM???