The bedmesh coordinates should take into account the placement of the probe. The standard values of for example the SV08 will not work and give an error message/

[probe_eddy_ng btt_eddy]
sensor_type: btt_eddy
i2c_mcu: eddy
i2c_bus: i2c0f
x_offset: -16
y_offset: 11.5

[bed_mesh]
speed: 500
horizontal_move_z: 2
mesh_min: 10 + eddy_ng.x_offset, 10 + eddy_ng.y-offset
mesh_max: 333 - eddy_ng.x_offset, 340 - eddy_ng.y-offset

Those are examples, do not copy and paste, do the math yourself.

Maybe this could be added to: https://github.com/vvuk/eddy-ng/wiki/Macros-Safety