I made a reseller accaunt for somebody and the main ftp axces and when i made new users don't work 
Connecting to 217.67.239.90
Connected to 217.67.239.90 -> IP=217.67.239.90 PORT=21
220 localhost.localdomain NcFTPd Server (licensed copy) ready.
USER test1
331 User test1 okay, need password.
PASS (hidden)
530 Login incorrect.
Connection failed
with the main admin accaunt i never had this problem
what did i do to solve the problem i changed the password din't work.
Need help fast.

Connecting to 217.67.239.90
Connected to 217.67.239.90 -> IP=217.67.239.90 PORT=21
220 localhost.localdomain NcFTPd Server (licensed copy) ready.
USER test1
331 User test1 okay, need password.
PASS (hidden)
530 Login incorrect.
Connection failed
with the main admin accaunt i never had this problem
what did i do to solve the problem i changed the password din't work.
Need help fast.