Home All=carriages going down about 10mm and resetting home position



  • So I can move the nozzle up and down and around, but whenever I click on "Home All", doesn't matter where the carriages are, all carriages will move down abuot 10-20mm and reset the z height to max height (is 300 was my max, it would move down and set it's new position as if it's at Z300).



  • Could you post you homeall.g file


  • administrators

    It sounds to me that your endstops are signalling in reverse. Use M119 or the Machine Properties page of DWC to check.



  • I forgot to mention it is a delta style printer. I do no have a homeall.g, but i do have a homedelta.g

    homedelta.g:

    ; homedelta.g
    ; called to home all towers on a delta printer
    ;
    ; generated by RepRapFirmware Configuration Tool on Fri Dec 29 2017 20:37:15 GMT-0500 (Eastern Standard Time)
    G91 ; relative positioning
    G1 S1 X405 Y405 Z405 F1800 ; move all towers to the high end stopping at the endstops (first pass)
    G1 X-5 Y-5 Z-5 F1800 S2 ; go down a few mm
    G1 S1 X10 Y10 Z10 F360 ; move all towers up once more (second pass)
    G1 Z-5 F6000 ; move down a few mm so that the nozzle can be centred
    G90 ; absolute positioning
    G1 X0 Y0 F6000 ; move X+Y to the centre

    My endstops don't trigger at all, I read your other post about moddin the optical endstop to get it to work. I will try that.


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