Hi Cstez!
Thank you for reaching out to us. I see you have some concerns with the Samsung 30 in. Double Electric Wall Oven with Steam Cook and Dual Convection in Black Stainless Steel, Fingerprint Resistant Black Stainless Steel. I sincerely apologize for the inconvenience about the issue of the self-clean and the door on your Samsung Wall Oven. The experience is not what we expect from our customers. Your feedback helps to understand where we can take steps to improve our product and service.
Here is a link about "Self Clean or Other Buttons do not Light up or Respond, or Panel is Locked on Samsung Oven": https://www.samsung.com/us/support/troubleshooting/TSG01110126/.
I also recommend this link about "Oven Door is Locked": https://www.samsung.com/us/support/troubleshooting/TSG01001957/.
You may also refer to the user manual about some "Troubleshooting Checkpoints" if it occurs on your Samsung Wall Oven" on pages 44-47 and "Information Codes" on pages 47-48: https://downloadcenter.samsung.com/content/UM/201904/20190417152704793/NV51K6650DS_DG68-00854A-03_EN-MES-CFR.pdf.
Should you need more assistance, please feel free to get back to us via the following options:
1. Facebook Messenger: http://m.me/samsungsupport
2. Twitter: https://twitter.com/messages/compose?recipient_id=18768513
3. Samsung Community: https://us.community.samsung.com/t5/Samsung-Community/ct-p/us
Reference Number: 1144633432
Have a great day.
Melardo