Hope you are doing well!
Based on the troubleshooting done, and you confirm that the management interface ( console access ) is not working ( no response ) this unit Should be RMA (return merchandise authorization) in simple words replace it.
Feel free to contact us via chat, comment you already have a post, copy the link from the post (URL) and paste it into the chat to start unit replacement.
Like the following example:
The below link is to contact us by chat (only)