When it had a mind of its own, did the head spin around in circles? When mine started doing that it was the internal compass. It was about a $300 fix.
No, Just erratic, kind of jerky. I did replace the battery in the remote, I probably junked it . I don’t know why a big company would market a product that if a person replaced the battery as per instructed, that it would destroy it? Just Say’n. I wonder if the have an up-grade ?