CERTAIN RICON “S” AND “K” SERIES PLATFORM STYLE WHEELCHAIR LIFTS INSTALLED AS ORIGINAL EQUIPMENT ON CERTAIN SPECIALITY VEHICLES AND SOLD AS REPLACEMENT EQUIPMENT. THESE LIFTS ARE EQUIPPED WITH DIFFERENT SIZE INBOARD ROLLSTOPS, 30″, 32″, AND 34″. THE INBOARD ROLLSTOP INTERLOCK MAY NOT DETECT THE PRESENCE OF A “WHEELCHAIR TEST DEVICE” AS REQUIRED BY FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 403, PLATFORM LIFT SYSTEMS FOR MOTOR VEHICLES. THE LIFT MAY DEPLOY DOWNWARD FROM THE VEHICLE FLOOR LEVEL, NOR DETECTING THE PRESENCE OF A WHEELCHAIR OR STANDEE OCCUPANT.