I guess you need to contact support. There seem to be a few faulty units - see here and below: [First Batch Shipped Out] FAQs of Dual Extrusion 3D Printing Module for Snapmaker 2.0 - #104 by tms
I guess you need to contact support. There seem to be a few faulty units - see here and below: [First Batch Shipped Out] FAQs of Dual Extrusion 3D Printing Module for Snapmaker 2.0 - #104 by tms