First, double check these
You've entered the correct username.
You are typing your current password correctly. Remember, passwords are case sensitive.
Your are logging into the correct admin site url.
Other possible reasons your password may not be working
Your password was reset
Your password may have been reset by your website administrator.
Too many incorrect passwords
If you have entered the wrong password too many times in a row, you'll need to reset your password.
Your password was weak
Edlio logins require strong unique passwords. Read Weak Password Detected to find out more