Elevator Forum ForumsWhat’s NewRecent PostsMembers Forums General Discussion Technical Questions TAC20 IMS Notifications Clear all TAC20 IMS Technical Questions Last Post by Anonymous 7 days ago 1 Posts 1 Users 0 Reactions 1,488 Views RSS Boa (@Boa) Joined: 1 second ago Posts: 0 Topic starter 18/02/2017 5:27 am [#19607] Have TAC20 door board shorted, changed board but have no way to program.Can anybody help with where to purchase tool or any assistance. Quote Share: