Could you please confirm what exactly appears to be the issue? Do you get any particular error message in FileZilla? The more details you provide, the easier it will be for us to help.
Please use the FTP protocol, the hostname value can be your server hostname/IP address or a domain/subdomain that resolves on the server IP. From what I can see, the error indicates that the login credentials are incorrect. You can find detailed instructions in our guide including how to find your FTP credentials. If there's still an issue, please let us know.