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Ah that's probably it then,

i was just doing a G28 and a G29 to start the print but i think that the heaters were running. i'll do some tuning.

thanks

Hi All, i just upgraded my rostock v2 to have an accelerometer board and i have noticed that if i run G29 to do the bed calibration from the terminal window it works fine, but then if i put it in the start section of my gcode and hit print, it heats up and starts and then crashes into the bed when ...