You sure your bed doesn't have a dip or a lump in it? ie its not flat
As the ABL just take the average of the probed positions and says this is a flat plane
If one or two of the probed points is very low or high... it can get it wrong.
Do you have glass on your heated bed? (for flatness)
As the ABL just take the average of the probed positions and says this is a flat plane
If one or two of the probed points is very low or high... it can get it wrong.
Do you have glass on your heated bed? (for flatness)