Geeetech

Thank you for your answer NiklasO.
Yesterday I've tested your marlin RCbugfix with similar problems.
Tonight I test your solution.
[edit]
Many thanks to NiklasO, all work fine after changing DEFAULT_MAX_FEEDRATE 2 to 4 for Z.
I've tested last NiklasO RcBugfix marlin and work fine

Hi to all.
I've a big issues with the abl. I use the modified firmware in the First post with reverse x axis and 400 valute for z Step.
Please look the video. https://youtu.be/p5Rg1tbQI2A
Someone help me, please