Hello community,
the following problem, I haven’t had my Shapeoko for very long so far I’ve milled about 12 things, no matter which program etc. the milling cutter no longer connects after a sporadic time. Cutter is not connected. If I then click on Connect again, it suddenly says “Cannot Open port for a cutter” Serial Port: Unknow Error. Can you please help me, I’m on the verge of a nervous breakdown 
The error happens with different programs and different times.
Greetings Christian
Please let us know about this at support@carbide3d.com — most likely it’s electro-magnetic interference (EMI), but we’ll do our best to work through this with you.
I have already written to the support, got a short message that I should do an air test and take a picture of my controller. Haven’t gotten an answer yet… Gruss Chris
I’ve already done the test a few times and also written to support twice and sent pictures 
I don’t have a suction device, the electrostatic field might be an issue.
Please wait for a response — Mondays are always busy as we work through the backlog from the weekend.
okey, thank you William
As Will said, it may be an EMI issue. Check this link out.
Grounding your Shapeoko - CNC Machines / Shapeoko - Carbide 3D Community Site
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