All Linear Modules can't move.
Check whether all Linear Modules are connected correctly and whether the cables are loose.
If your model is AT series, check whether the Lead of each Linear Module is correct.
The Lead of the X-Linear Module should be 20mm.
The Lead of the two Y-Linear Modules should be 20mm.
The Lead of the two Z-Linear Modules should be 8mm.
After following the troubleshooting steps, if you find it difficult to resolve your issue, kindly submit a support ticket through https://snapmaker.formcrafts.com/support-ticket and share your troubleshooting results with some pictures/videos, and the FW and SC logs. You can follow this video to export them.
Our dedicated support team will be more than willing to assist you in resolving the issue.