Hello Collin,
No, excessive shaking is not normal. You can follow the guide outlined in the user manual to resolve the issue with the unit shaking and displaying an error code.
For issues with excessive shaking, please follow the guide on page 91 under the topic "Excessive vibrations or makes noise."
User manual
https://downloadcenter.samsung.com/content/UM/202509/20250926111756839/OID86204_IB_V-PJT_WD8000F-AD_7LCD_EN_2509025.pdf
For the error code, please contact us for further support. You may contact us at the following channels:
1. Facebook Messenger: http://m.me/samsungsupport
2. Twitter: https://twitter.com/messages/compose?recipient_id=18768513
3. Samsung Community: https://us.commuity.samsung.com/t5/Samsung-Community/ct-p/us
When you message us, please provide us with this reference number (1151649905) to help our team pull up your information.
Thank you!
^Joshua