You can access the FTP account using the DirectAdmin login details, which gives you full access...How to Change an FTP Account Password in DirectAdmin
To change the main root FTP account, you have to change the password of your DirectAdmin account....How to Suspend an FTP Account in DirectAdmin
If your FTP Account is not in use or you want to suspend it, you can do this in DirectAdmin. 1....How to Remove an FTP Account in DirectAdmin
You cannot delete the main FTP account. However, you can remove the additional FTP user accounts...