Forum › Forums › Stairlifts › Acorn 180 code 9 This topic has 1 reply, 1 voice, and was last updated 6 years ago by okmobility. Acorn 180 code 9 carladh66Member May 10, 2018 at 9:32 pm Keep getting a code 9 in the display, what does this mean and how is it cleared okmobilityMember May 11, 2018 at 3:21 am http://okprops.com/how-to-problem-solve-an-acorn-180-or-bison-80-stairlift/ Viewing 1 reply thread You must be logged in to reply to this topic.