Setting the table size in the Carbide Motion settings is not the only place you have to set the table size.
Did you set your table size in the GRBL settings via the MDI? You need to set $130=850 and $131=850 for the XXL.
Setting the table size in the Carbide Motion settings is not the only place you have to set the table size.
Did you set your table size in the GRBL settings via the MDI? You need to set $130=850 and $131=850 for the XXL.