1. 

   Edward Martel New

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   I can run a gcode file but hand jogging brings up a error $J g91 g21 i think its
   feerate

    

   #1 Edward Martel, Sep 19, 2021
2. 

   Peter Van Der Walt OpenBuilds Team

   Staff Member Moderator Builder Resident Builder

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   Probably an old controller that Isn't running Grbl 1.1? Grbl 1.1 came out in 2016 already, and uses the $J= jog command format.

    

   #2 Peter Van Der Walt, Sep 20, 2021