Which direction should my router move on initialization?

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I’m done with my build and now I’m pressing initialization. What is the correct movement my carriage move. ( up/down, left/right, front/back. )

Mine moves down and errors out.

Any suggestions?

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it needs to move UP first, then to the right back corner

so either you got the “HDZ” flag wrong in the CM settings screen or you mounted the Z axis plate inverted…

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To expand on @fenrus’s answer, the complete sequence is:

  • Z moves up
  • at top of travel, Z homes
  • machine moves in a diagonal towards the back right corner
  • when gantry/carriage reaches the limit of motion along an axis machine continues in straight line
  • machine homes at machine origin at the top right back corner

There’'re a couple of other possibilities for a reversed Z:

  • wiring — sometimes the motors are wrong, sometimes a wiring extension is put together wrong (they should all be straight through)
  • blown stepper driver chip — there’s a failure mode where the motor will only move in one direction

Let us know what you find out, and if you still need help, let us know at support@carbide3d.com and we’ll do our best to work through things with you.

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