Just in case you don’t already know, don’t ever move the head with the machine on.
Here’s a list of troubleshooting steps to try and eliminate or at least isolate the problem: Stuck Centering/Focusing: How to Troubleshoot for potential Lid Cable issues before contacting Support 😲
You’ve opened a support ticket by posting here, and they’ll be along to help soon. In the meantime, if you’ll provide details of each thing you’ve tried and what the result was, it will help to speed things up.