Specifically, the Z-Axis no longer moves down (the X and Y axis seems to be fine). Not only will it not Auto-home, but going to "Move axis" in the Prepare menu will also not move the Z-Axis down. I have attached a video I found on YouTube that showcases basically the exact same problem I am having.

My problem is, that the z axis is not homing correctly at the begin of the print. It goes down and triggers the micro switch, goes up and stays at the incorrect height during the print. This results in non sticking of the first layer. This problem only accoures one or two times in a day.
Z axis not homing Ender 3 V2 with new 3DTouch Solved Hello I just installed a Triangle labs 3D touch on my ender 3 v2. I wired it to the BLTouch port on the board. I flashed a UBL 10x10 BLTouch version of Jyers Marlin specifically this version (E3V2-UBL-BLTouch-10x10-v4.2.2-v2..1.bin).
It does not move at all on the Z-axis and remains 3 - 4" above the bed during and after Auto Homing. Here's the detail : I installed a Creality Ender 3 Pro New Upgrade Motherboard Silent Mainboard V4.2.7 with TMC2225 Driver Marlin 2.0.1 & bootloader pre-installed & then a Creality BLTouch 3D Printer Upgraded Auto Bed Leveling Sensor Kit (the
I got myself the Ender 3. The Home position is about 1 mm left and 2 mm in front of the front left corner. Now, the hotend center axis is 11 mm from the carrier plate with the "Mk 10" cooler mounted right onto a pair of 5 mm pegs that are part of the plate. As I want to change to an e3D v6, which has a diameter of 22 mm, I will have to move out Written by: David Taylor Last Updated: June 20, 2023 Homing the axes is essential for your Ender 3 to know and calculate the X, Y, and Z positions, meaning that the failure of the homing process due to any reason will naturally halt the printer due to a lack of positional data and make it impossible to print until the issue is resolved. eVUM.
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    • ender 3 z axis not homing