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. If the Z-axis does not move at all after the XY-axis finishes homing, it indicates that the Z-axis motor is not rotating. 2. Cause analysis Motor wires are not connected properly. 3. Troubleshooting and solution 3.1 Reconnect the motor cable of the malfunctioning axis. (The motherboard end also needs to be reconnected.) 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 I've managed to loosen the wires from the terminal and place them in a correct way using a flat screwdriver that came with the other Ender 3 tools. After switching wires to correct position the z axis started to autohome correctly and z stop switch started working correctly. How to Fix Z Axis Not Homing - Ender 3. Raise The Z Limit Switch's Position; Ensure Limit Switch Wires are Securely Connected; Check Your BL Touch / CR Touch Wiring; Install The Right Firmware; Check Your Z-axis for Binding; Plug in Raspberry Pi After Turning on the Printer; How to Fix Ender 3 X Axis Not Homing. Check Your Limit Switches Plurrie Ender 3 V2 Z-axis homing VERY inconsistent Help Hi all, First time posting here, so hopefully I'm doing this right. My new stock Ender 3 V2 is having extreme deviations in Z-axis homing. When I auto-home, The nozzle will end up anywhere between perfect print height to a full millimeter off the bed, seemingly randomly. .

ender 3 z axis not homing