Elevator Forum Simon_316 @simon-316 Forum Home | Recent Posts Active Member Joined: Jan 1, 2010 Follow Profile Activity Topics: 2 / Replies: 1 AllTopicsReplies Reply Thanks. I actually think I know what the FF is now. It seems that a new board with no faults in its memory shows 1FF, 2FF, 3FF, etc. up to 10FF. When ... 14 years ago Forum Technical Questions Topic MacPuarsa Microbasic Prima faults 14 years ago Forum Technical Questions Replies: 3 Views: 8921 Topic Otis Gen2 - SPB alert fault. 14 years ago Forum Technical Questions Replies: 1 Views: 11156