Geeetech

Yes, some guy solder it on wrong way, i don't want to desolder it and solder again, so just cut another hole on other side and turn the connector for 180 degree, it works now, thanks

Tine

Problem solved.

I start looking the picture of other GT2560 controller board on internet and find my problem pretty fast.

Problem:


solved:

bang wrote:OK,i think i mistook it...
Did you try heating up or moving motors?

I can't try because printer freeze that moment i push the knob to got into menu.

bang wrote:Did you try other ports on your PC or change another USB cable?

Why? I said that works great with pc and usb connection, there is problem with sdcard or offline mode, if i do not heave connected usb cable at all and just push the knob and try to go down it freeze and can't be reset.

Forget to tell also don,t work the front reset button on LCD (under the knob)

Thanks

Hy!

I think that must be ok, you just need 12V DC for power look the original one but i think that is the 18A.

Did you check the input fuse in original PS, also check the solder on pins where you connect 220V AC

Hy! I buy one of your printer prusa i3 pro B2 from ebay.de It works more than good, i realy did not expected as much from it. But there is one problem it works only online from computer, if i just pust the button on lcd the printer freeze and can't eaven connect with the PC. Even if i pust one or ot...