<p>Try sending a motion command manually, such as G1 X20 Z10, to eliminate any bugginess from the software interface as a reason for the Z not moving properly when commanded to. Next you could check the park location in Pronterface, perhaps the extruder head is sitting there waiting for the next command.</p>

CC BY-SA 3.0
2018-03-27T23:36:16.370Z
2018-03-27T23:36:16.370Z
PR90
<p>If you are using Repetier the code to test the endstops is m119 I think. If your z stop is triggered, you may have to invert it in the config.h file. I had this same issue for days before i figured out the control board was reading the switch as normal close instead of normal open. Hope that helps!</p>

CC BY-SA 3.0
2018-03-27T21:48:35.473Z
2018-03-28T12:13:28.730Z
2018-03-28T12:13:28.730Z
jeremiah harless
<p>I have a Maker Farm Prusa i3v 8" i just finished building.  Initially when i first homed it, it ran fine, it even ran a test g code for movement.  The problem is now the Z axis wont move anymore.  First i checked for physical issues such as binding or nuts coming out of traps, everything's OK there.  In Pronterface i can move x &amp; y no problem, but Z will not move, there is no noise from the steppers.  Also unusual is the the Z axis is not on the endstop, its resting on its own in a spot (the hotend is about 2mm off the bed).  I ordered some new end stop switches to try on my Z axis....any thoughts?  I'll update after switch install.</p>

CC BY-SA 3.0
2018-03-28T07:30:24.180Z
Does it move at all? E.g. with a faulty end-stop it only moves in one direction. Please follow up the advice below on checking the end-stop trigger state (with M119 gcode as mentioned below).
0scar
CC BY-SA 3.0
2017-09-11T15:58:12.467Z
Can you check for loose connections? No noise at all from the motor usually means it's not turning on. Can you move the Z by hand, or is the motor locked?
Davo
<prusa-i3><z-axis>
Z axis not moving on Prusa i3v 8"
mikehayes
# Z axis not moving on Prusa i3v 8"

(Asked by: username_0 on 2017-09-09)

I have a Maker Farm Prusa i3v 8" i just finished building. Initially when i first homed it, it ran fine, it even ran a test g code for movement. The problem is now the Z axis wont move anymore. First i checked for physical issues such as binding or nuts coming out of traps, everything's OK there. In Pronterface i can move x & y no problem, but Z will not move, there is no noise from the steppers. Also unusual is the the Z axis is not on the endstop, its resting on its own in a spot (the hotend is about 2mm off the bed). I ordered some new end stop switches to try on my Z axis....any thoughts? I'll update after switch install.

**Tags:** prusa-i3, z-axis
> **Comments:**
> **username_2**: Can you check for loose connections? No noise at all from the motor usually means it's not turning on. Can you move the Z by hand, or is the motor locked?  
> **username_1**: Does it move at all? E.g. with a faulty end-stop it only moves in one direction. Please follow up the advice below on checking the end-stop trigger state (with M119 gcode as mentioned below).  

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## 2 answers

### Answer by username_4 on 2018-03-27. Score: 1

If you are using Repetier the code to test the endstops is m119 I think. If your z stop is triggered, you may have to invert it in the config.h file. I had this same issue for days before i figured out the control board was reading the switch as normal close instead of normal open. Hope that helps!


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### Answer by username_3 on 2018-03-27. Score: 0

Try sending a motion command manually, such as G1 X20 Z10, to eliminate any bugginess from the software interface as a reason for the Z not moving properly when commanded to. Next you could check the park location in Pronterface, perhaps the extruder head is sitting there waiting for the next command.


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