News Feed › Forums › Stairlifts › Bison 80- Acorn Curve 180 Flashing "E" . Help required thanks. › Reply To: Bison 80- Acorn Curve 180 Flashing "E" . Help required thanks. northern-mobility Member November 30, 2017 at 8:47 am It will have definitely have lost it’s program if you removed the batteries unless it’s one of the latest models You have probably knocked the Left/Right hand board switch when removing/Installing the batteries
