🐘 Marlin Z Axis Not Homing

Roll back to your original Marlin 2.0 configuration if you messed with pins etc. Sensorless homing should be enabled, homing directions are positive for X Y and Z. Remove diag jumps. Start with X. Connect mechanical endstop to -X (left connecter where 1.29 pin) and validate that M119 status for x_max is changed when you trigger it. // Use "Z Safe Homing" to avoid homing with a Z probe outside the bed area. // // With this feature enabled: // // - Allow Z homing only after X and Y homing AND stepper drivers still enabled. // - If stepper drivers time out, it will need X and Y homing again before Z homing.
Download Marlin bugfix-2.0.x to test with the latest code. Enable DEBUG_LEVELING_FEATURE and M114_DETAIL and re-flash the firmware. Connect to your printer from host software such as Cura, Printrun or Repetier Host. Send M502 and M500 to ensure your Configurations are applied. Issue the command M111 S247 to enable maximum logging.
In the Marlin 3D printer firmware, you can home one axis without homing the other axes using G28[Axis].. In order to home the X axis: G28X. In order to home the Y axis:. G28Y. In order to home the Z axis: G28Z Homing X & Y without homing Z. You can also home multiple axes using G28[Axis 1][Axis 2].So in order to home the X and the Y axis (but not home the Z axis), run I was eventually able to get a mostly working config but now have an issue with auto homing on the Y axis. When I select auto home from the Marlin menu, the hot end will move to the right to home X as usual, but then when it moves towards the back to home Y it will sometimes not make it all the way to the end stop at the back right of the printer.
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2. This blog post shows 3 main solutions: Flipping the motor cables (As suggested in the other answer) Switching the x and y-axis: This may switch the direction of your y-axis depending on the way your printer is setup) Change the direction of the axis in firmware which you can see below how to do: "When the solution opens up, you will see many

I added a BLTouch and hero me 5 to my ender 5 compiled the firmware but now im having an issue with the X and Y axis homing to 0. The z axis homes fine but the X goes to 147 and Y to 118 when home. They home in the correct direction but when I move it manually to 0 they go in the opposite direction. If I try to go more it crashes.

If you want to test if you have a faulty endstop, you can swap the z-axis stopper with the y-axis stopper switch and see if problem translates to the other axis. You just need to transfer the switch circuit onto the other mount. If it does, then you need to replace your endstop switch. chronicallyunamusing. OP • 1 yr. ago.
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gordonendersby Re: z-axis not getting to end stop when homing August 10, 2014 10:52AM Registered: 9 years ago Posts: 286 Had a go again today with clear head. Long day yesterday. I tried setting min_software_enstops = false All this does is allow me to go past the end stop while i command the axis to move either through pronteface or the lcd menue.
When testing XYZ homing, XY are doing fine, but Z homing behaves weirdly. Z axis goes up by 5-10mm, Bltouch probes once and then log gives an error. Steps to Reproduce. Switch on the printer; Do Z homing; Additional Information. Here is a video of me switching it on and doing Z home. Here is the error from the log. 11:24:44.428 : N16 G28 Z0110 Firmware: Marlin v1.1.1 (2020-04-25) Problem. M119 seems to indicate that the z_min is always triggered, despite the bed being about halfway up the Z-axis You can move the bed down by rotating the rod and then repeat your homing and/or M119. Reply reply 7. With Ender 3 PRO turned off insert SD card. Power up and after about 10 seconds or so of a blank screen should enter the Marlin program and you should see the status screen. Check under information screen it is Marlin 2.0.7.2. 8. Now we have to zero the Z axis probe offset as outlined by "Dust": a.
\n \n marlin z axis not homing
Disabled #define Z_DUAL_ENDSTOPS -> OK ( up and down possible, but this is needed, printer has 2 endstops and 2 stepper for Z) checked the endstops with M119. -> they are OK checked the endstops with M43 E0 -> they are OK. is the z axis moved downwards after homing the steppers are not spinning but the position is decremented on the display

The Z-axis endstop is stuck in a closed position. The Z-axis endstop being stuck in a closed position will cause your Ender 3 to stop any Z-axis movement before it can even start, as it will make your 3D printer think that the Z-axis is already at the lowest possible position. In this case, only downward movement should be limited (and homing

2. As I said in the title there is some issue with my z axis steppers. They will make a humming sound and vibrate a little but won't actually spin. I'm fairly sure this is an issue with the firmware (but I might be totally wrong) since they turn when the wires are switched with the ones for the Y axis and swapping the driver board for a spare
Hmm, when homing, I see that the home_offset [Z_AXIS] value is added. However, when the bed is probed, the home_offset [Z_AXIS] is not added to the Z position when it hits the bed. That might not actually be too serious, because the probing seems to be acquiring sane values (0.1 and 0.16), but it's something to watch out for.
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Dual Z after Marlin update does not work. because I designed a new head for my printer. I upgraded to the latest Marlin 2.0-bugfix ( I tried even the 2.0 branch ). I migrate config.h and adv to the latest and my second Z start to behave really odd. Before everything was great, now the second Z jitters a little bit with sound, and every few

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Sorted by: 3. As far as I can see on the attached videos your homing movement is reversed. as per Marlin, the homing for X shall move towards the left side and for Y to the back of the printer. That could occur when: cable connectors to stepper motors are reversed, or the motor is assembled the other way (you can set reverse direction in Marlin) YPOCO.