Have you submitted this as an issue on the Marlin GitHub?by Alex-APK-HZ - Firmware - Marlin
I just started out with an Ender 3 V2. One of the first things I did was to install Marlin. (Version 2.0.9.3) Everything works fine, except for the Z coordinate: After powering up, I start the G28 auto homing, using a BLTouch. After homing, the Z-Axis rises to the specified height. Now after exactly two minutes, the Z-coordinate resets to 0 (while the print head is midair). I have checked througby Alex-APK-HZ - Firmware - Marlin