How to Delete All User code in E-Plex 1500, 2000, 3000 & 5000 locks January 08, 2026 19:04 Updated QuestionHow to delete all user code in E-Plex 1500, 2000, 3000 & 5000 locks?AnswerTO DELETE A USER CODE:#8-digit master code# (Green Light) (ex: #87654321#)299## (Green Light)Test lock by using your old 4-digit user code. Do not use any (#) when entering new master code, just use numbers only. Red light should show. Lock should not open. Related to E-Plex User Code Download Article