OK, in testing here
the cron program runs and closes with no error
in the log file I get
Connecting to FTP server.
OK
Connected.
220---------- Welcome to Pure-FTPd [privsep] [TLS] ----------
220-You are user number 400 of 400 allowed.
220-Local time is now 20:16. Server port: 21.
220-IPv6 connections are also welcome on this server.
220 You will be disconnected after 60 seconds of inactivity.
TYPE I
200 TYPE is now 8-bit binary
CWD /
530 You aren’t logged in
141: FTP protocol error: 530 You aren’t logged in
QUIT
221-Goodbye. You uploaded 0 and downloaded 0 kbytes.
OK
Disconnected.
221 Logout.