Carbide Motion, unit keeps crashing

Shapeoko Pro 5, 4 x 2. Carbide Motion, unit keeps crashing half way through the job, and I get the pop up “Cutter stopped responding”. When I try to reinitialize the machine, carriage moves straight to the front (rather than rear right) and makes a racket. File is relatively simple, three buttons, three tool paths. Have tried changing laptops to eliminate this as a cause, but no difference. Anyone have any tips? Thanks.

Please try an “air job” with the router and dust collection off and no stock in place — if that works, then try changing the carbon brushes in your trim router (if using a Carbide Compact Router).

To really ground everything to earth, use EDIT: A wiring setup to connect to ground such as are available from electronic specialty houses.

Clip it to bare metal on the X rail and plug the other end to an outlet.

Another thing you can do is ground the router itself — this should be done w/o defeating the double insulation of the electronics. Best advice is to connect the router body electrically through the dust shoe (I just wrap a bit of foil tape around it) along the hose (either use a conductive hose such as: Dust Collection Hose | Dust Collection | Peachtree Woodworking Supply or run a bare wire from the dust shoe (or start it at the router) and if your vacuum isn’t designed to ground the hose, then connect it to the same ground as the vacuum.

An excellent post discussing this is:

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Almost 100% it is static. So here on the forum are a lot of posts for fixing static by grounding. Also some materials like PVC generate a lot of static. Most plastics and other man made material will generate static. A moving bit, moving air are perfect conditions for static to generate. It is also where you are. People that live in the dessert generate static due to low humidity. When it gets cold and freezes outside it gets very dry. Even if you live at the ocean front you can still get low humidity. I live in deep East Texas and a high pressure ridge came through and lowered the humidity today and I got shocked a few times turning on light switches and other objects. So static is a constant problem no matter where you live. So find the posts and ground your machine and make sure you dust collection has a ground wire end to end or is a static resistant type.

Thanks for the suggestion William, and sorry for the late reply. I will give that a try. Matt

Hi Guy, thanks for the response. I will be trying William’s suggestion in the coming days and will let you both know how it goes. Matt