Elevator Forum iuecle @iuecle Forum Home | Recent Posts New Member Joined: Jan 1, 2010 Follow Profile Activity Topics: 0 / Replies: 3 AllTopicsReplies Reply Having trouble on tac50. 5 stop. 3rd floor call lights and latches but button wont stay lit.. any troubleshooting suggestions?? 9 years ago Forum Technical Questions Reply 9 years ago Forum Technical Questions Reply Originally Posted By: jkh E-fella,Try world-electronics.com 9 years ago Forum Technical Questions