News Feed › Forums › Stairlifts › Error Error nsl updated 5 years, 6 months ago 3 Members · 4 Posts Stairlifts max Member October 7, 2015 at 3:46 pm I have got code ( F ) on my mums stairlift what does it mean… ianb Member October 7, 2015 at 8:38 pm need more info mate what make and model? kevin Member October 7, 2015 at 8:42 pm Probably a Bison – overtravelled nsl Member October 8, 2015 at 7:46 pm Without make or modle it could mean anything. Log in to reply. PublicAll MembersMy ConnectionsOnly Me Public All Members My Connections Only Me Original Post 0 of 0 posts June 2018 Now