Scheduler FTP Move Down - files remain

I am using FTP Scheduler to Move files off an FTP site to a local folder.

The process creates the files on local folder, and in the log, says it deletes the files from the the FTP site, but the files remain on the FTP site, any ideas?

Extract from Log:

[03] Mon 22Apr13 15:04:22 - Receiving: /OUT/16597_20130419_01771.edi -> D:\FTP Data\GHX\B1.INV_GHX_IN\16597_20130419_01771.edi

[05] Mon 22Apr13 15:04:22 - PASV

[06] Mon 22Apr13 15:04:22 - 226 Transfer complete.

[05] Mon 22Apr13 15:04:33 - DELE /OUT/16597_20130419_01771.edi

[06] Mon 22Apr13 15:04:33 - 250 DELE command successful.