Hello,
I have modified my Laurel-A8 (Hesine) Reprap Prusa i3 3D Printer with an LJ12A3-4-Z/BY Inductive Proximity Sensor.

I have watched the video from Thomas Sanladerer on how to install and have read the marshallpeck indestructibles.

I have removed the Z-Axis Limit Switch and have plugged in the Proximity Sensor in it's place.
Plugged-in.JPG
I am using Simplify3D as my controlling software and the issue I am having is now that I have removed the Z-Axis Limit switch whenever the machine homes I get the Z-Axis bottoming out and continuously trying to lower.
I am not sure how to modify the firmware of my controller board, but I thought using Simplify3D might be a way around that.
Here is the Controller Board I have that came with my kit:
Board.jpg
Can someone tell me what I am missing here? If it's a firmware issue I'm not sure if I can use this board or modify the firmware version...
Any help would be greatly appreciated.
Thank you