On Wed, Sep 8, 2010 at 4:58 AM, wrote: > Is the config bits set > up to only allow one unlock/lock sequence? > This is probably the issue. Double check all of the config bits. --=20 Martin K. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .