Homepage › Forums › Gear & Links › Photography Equipment › Lenses › ERROR 001 with canon 17-85mm what that means.. This topic is empty. ERROR 001 with canon 17-85mm what that means.. mayParticipant May 11, 2011 at 8:15 pm hi there.. i just got the problem with my canon kit lens 17-85mm is usm..ERROR 001..anyone know about that? thanks may tsergairlMember May 11, 2011 at 8:41 pm Err 01 Communications between the camera and lens is faulty. Clean the lens contacts. Clean the electrical contacts on the camera and lens, use a Canon lens, or have the camera or lens checked or repaired. (p.13,16) Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic.