I'm currently building my first reprap, and have finally finished the hardware and am trying to get the software setup. I installed the latest version of Marlin as my firmware, and have been using Pronterface/Printrun as my G-Code sender.
I have been running into a weird issue where the default motor speed is to high for my motors (NEMA17s), and they just emit a high pitched whine when i try to move them. When i turn the motor speed down though (~900mm/min for X&Y, and ~140mm/min for Z), the motors all move fine when i manually control them. The issue comes when I run the homing. It seems that homing uses the default speed instead of the one i have selected, as the motors don't move and just whine.
Does anyone know how i might be able to adjust the homing speed to use my manually set speeds? Or alternately, is there something i did wrong that is preventing the motors from working at the default speeds that i can fix?