su command not working for root

I am not abe to ssh the ldap client with root and nor I am able to do su to root

efouaze@wmamas1o> su -
Password:
su: Sorr


I can login to the console by root .

wmamas1o{root} # cat /etc/default/login | grep -i console
# If CONSOLE is set, root can only login on that device.
#CONSOLE=/dev/console
wmamas1o{root} #



wmamas1o{root} # cat /etc/ssh/sshd_config | grep -i permitroot
PermitRootLogin yes
wmamas1o{root} #

root password is never expired
please suggest