Hi David, Just an idea: do you use stepping motors? Did you try to swap one phase (and only one)?
Best, Christian > Le 2 avr. 2026 à 09:33, [email protected] a écrit : > > > > > > Greetings - I recently downloaded the latest version of LinuxCNC and > installed it on my 30"x30" cnc machine that has a 20W laser. > > I have a parallel port that runs to a parallel port breakout board. There is > a home switch on each axis, whose operation if visible via led indicators on > the breakout board. The Z axis homes at location 4.000, the X and Y axis > home at 0.000. The Z axis homes, the X axis homes, but the Y axis refuses to > move toward 0.000 when homing. > > I have tried changing the sign on Scaling in the ini (or is it the hal file) > and the axis does move in the correct direction using the manual move buttons > in LinuxCNC. I have home set at 0.000, min limit a -1.000, max limit at > 30.000". The led indicator is off unless the home switch is pressed - just > like the Z & X axis. > > I am out of ideas and would appreciate some guidance. > Kind regards, > David > > > David V. Fansler > S/V Dragon Fire > S/V Spirit of 76 > www.dv-fansler.com > [email protected] > YouTube "Sailing Solo at 70" > > > > > > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
