Geeetech

yep

firmware would be a good place to start

viewtopic.php?f=20&t=17046

are your z motors plugged into the correct slots and have you tried reversing the z direction ?? i.e.maybe up command is sending the motors down. so command the motor to go DOWN and see if it goes up. Repetier has this setting - try inverting the z direction>>> also look at this post http://www.geee...

OK i was using wrong arduino- needed to be 1.0.1 i cna now compile the firmware BUT - the sensor still wont work as per original post it turns on and self tests remains in UP position with LED off x homes correctly] y homes correctly Z - tries to go down too low - the sensor does not stop Z- directi...

thanks

was able to edit it.

it seems the firmware compiles when i ADD // in front of use auto bed levelling, and wont compile as soon as i remove the //

so the issue must be something that is being called with that statement.

was your printer connected to Repetier HOST at the time?

if so shut that program down- you cant upload a firmware while the printer is being controlled by another app.

Hello I have been through all the threads on this topic but none have solved my issue. Geeetech I3 Pro B printer GT2560 board, and http://reprap.org/wiki/RepRapDiscount_Smart_Controller I have checked the solder points - all ok When i use Auto Home from my control box The extruder nozzle goes to the...

....fixed

oh wait - can i just edit pins.h with notepad?

hello

how do i edit the pins.h file? i cant see it in tabs in Arduino when i open marlin.ino

When i browse to pins.h in explorer and "open with arduino" it only opens the marlin.ino file again and pins is not there - help????