Geeetech

Thanks a lot!

Hi. Have you solve it?
I have the same issue.

Hi. I have a problem with this board. I am triing to power up that board to upload the firmware. So i connect the 12V and usb cable to pc but the pc did not recognize the board and the usb cable become hot.
What happening?
Regards.

Hi. I do it and worked. Thanks

Hi. Today i am tring to upload firmware on the board but when i plug the usb cable i notice that no led cames up...so i tried to check with a multimeter if there is voltage on board and no 5v as photo. What i have to do?
Regards,

Hi. Thanks a lot. Can you provider me the pcb's section relatively power fan route trought JP2? Regards.

Thanks a lot!

Hi. Thanks for reply. Can you provide me the circuit schematic or pcb so i can i check the issue? Regards.

So the chip doesn't work properly? But on the voltage regulator i have 12V...

Hi. I tried it and my fans come to life...also pwm fan works properly. But why? What is the difference between cap on jp2 or not? Only powers on fans?
Regards.