Shapeoko 4 xxl z axis not homing

some times i open carbide motion then connect to cutter then hit button to home it my z axis travels up and just sits there and chatters so power off machine then manually bring z axis down then power up and go through the process and some time it will go through the process and others it will run z axis up to top and chatter

There is a basic page on troubleshooting the homing switches at: Home Switch Troubleshooting - Carbide 3D

There is also a Carbide 3D Answer video: Basic Shapeoko Limit Switch Troubleshooting - YouTube

For the new inductive homing switches:

If all that doesn’t help, let us know you’ve reviewed those resources and the specifics of your difficulty at and we’ll do our best to assist.

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